{"title":"GY6 Stage 1-3 Engine Packages","description":"","products":[{"product_id":"gy6-171cc-big-bore-kit","title":"GY6 Stage 1 Engine Package - 172cc","description":"\u003csection style=\"margin: 0; padding: 0;\" id=\"rw-desc\"\u003e\u003c!-- Build It Yourself Box (MOVED TO TOP) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 15px;\"\u003eHere are links to each individual part 👇\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e172cc Cast Piston Cylinder - Rolling Wrench\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e172cc Forged Piston Cylinder – ProBld\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-61mm-performance-cylinder-head\"\u003eGY6 61mm Performance Big Valve Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-performance-cam-shaft\"\u003eGY6 Performance Camshaft – ProBld\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cylinder?keyword=ncy%20cylinder\"\u003eNCY Performance Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cyilnder-head?keyword=ncy%20cylinder%20head\"\u003eNCY Performance Cylinder Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-camshaft-ncy?keyword=ncy%20cam\"\u003eGY6 Camshaft - NCY\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-leveling-clocking-flange\"\u003eShorty Pro Clocking Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/chinese-scooter-spark-plug-pre-gapped\"\u003eGY6 Scooter Spark Plug (Pre-gapped)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/8mm-exhaust-studs-nuts-gy6-qmj157\"\u003e8mm Exhaust Studs + Nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Video (kept in same position relative to main content) --\u003e\n\u003cdiv style=\"margin: 20px 0px; text-align: left;\"\u003e\u003cem\u003e\u003cstrong\u003eWant to upgrade to stage 2? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-171cc-61mm-performance-kit-and-kaboodle?keyword=gy6%20stage%202%20carb\"\u003eClick here!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/KMFUbyqRaV8?si=KvceFRTSy6jvR6e_\" style=\"max-width: 560px; border: none;\" height=\"315\" width=\"100%\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/H1mHtXHmqrw?si=JAnSX8qXghJD0-BK\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e \u003c!-- Quick Summary --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eFeeling like your GY6 just doesn’t have the power it should? 🐌➡️💨 This complete **172cc Stage 1 engine upgrade** gives you stronger acceleration, better uphill pull, and a huge gain in real-world torque — all **without** boring the engine case.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0;\"\u003e\n\u003cli\u003e🔥 Max displacement for stock GY6 engine cases\u003c\/li\u003e\n\u003cli\u003e🛠️ Huge durability jump vs. factory parts\u003c\/li\u003e\n\u003cli\u003e🏆 Best power upgrade before going full race builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- The Details --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #1b8e18; border-radius: 8px; background: #e8f7e7; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eThe Details ⚙️\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe **172cc setup** is the sweet spot for **daily-ride reliability + real power** gains. You’re replacing low-grade OEM components with high-quality Taiwanese parts that can take heat, boost power, and stay reliable for thousands of miles.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003ePick your build style:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px; font-weight: bold;\"\u003e💪 Full ProBld (Forged Piston) – Performance + Longevity\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e4032 **forged piston** — stronger, runs cooler\u003c\/li\u003e\n\u003cli\u003eRings **professionally installed \u0026amp; measured**\u003c\/li\u003e\n\u003cli\u003eProBld **big-valve head (28mm \/ 23mm)** w\/ hardware\u003c\/li\u003e\n\u003cli\u003e5-axis CNC **adjustable clocking flange**\u003c\/li\u003e\n\u003cli\u003eNGK **spark plug** included\u003c\/li\u003e\n\u003cli\u003eProBld **performance cam** — fast spool + strong pull\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull Rolling Wrench (Cast)\u003c\/strong\u003e \u003cstrong\u003e— Budget Friendly + Less Work\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston\u003c\/li\u003e\n\u003cli\u003eRings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e\u003cstrong\u003epre-measured and installed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eProBld camshaft tuned for torque\u003c\/li\u003e\n\u003cli\u003eClocking flange + NGK spark plug included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px; font-weight: bold;\"\u003e💵 Full NCY (Cast Piston) – Budget Friendly + Reliable\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston — great for everyday use\u003c\/li\u003e\n\u003cli\u003eYou will gap\/install piston rings (DIY step)\u003c\/li\u003e\n\u003cli\u003eNCY **big-valve head** — we include the missing hardware\u003c\/li\u003e\n\u003cli\u003e5-axis CNC **clocking flange** included\u003c\/li\u003e\n\u003cli\u003eNGK **spark plug** included\u003c\/li\u003e\n\u003cli\u003eNCY **smooth torque cam** for daily riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eQuick takeaway:\u003c\/strong\u003e ProBld = Stronger + cooler + less setup work NCY = Affordable + reliable daily upgrade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #d1a000; border-radius: 8px; background: #fff8db; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eWhat's Included 📦\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e172cc **cylinder + piston** (ProBld or NCY depending on kit selected)\u003c\/li\u003e\n\u003cli\u003e**Big valve cylinder head** with hardware\u003c\/li\u003e\n\u003cli\u003e**Performance camshaft**\u003c\/li\u003e\n\u003cli\u003e**Adjustable clocking flange**\u003c\/li\u003e\n\u003cli\u003e**NGK spark plug**\u003c\/li\u003e\n\u003cli\u003eAll required **gaskets + small parts**\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #0074d9; border-radius: 8px; background: #eaf5ff; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eFitment 🔍\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\u003cstrong\u003eQMJ157 GY6 long-case engines only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e54mm \u003c\/strong\u003estud spacing \u003c\/li\u003e\n\u003cli\u003eHonda Ruckus w\/ **GY6 swapped** engine\u003c\/li\u003e\n\u003cli\u003eMaddog \/ stretched GY6 builds\u003c\/li\u003e\n\u003cli\u003eSome** 150cc buggies\/karts (Do your research! There is still a risk our kit will not work so it's up to you as the customer to make sure you are ordering the right part, as there is NO RETURN on performance parts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eCheck your engine code before ordering.\u003c\/strong\u003e It’s stamped on the left-side near the center stand pivot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Notes --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #c62828; border-radius: 8px; background: #fde8e8; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eImportant Things to Note 🚨\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\u003cstrong\u003eFits QMJ157 engines only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eNo engine boring required — installs in stock cases.\u003c\/li\u003e\n\u003cli\u003eBuggies\/go-karts: spacing varies, confirm first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eIf you're unsure — send us a pic of your engine code and setup 👍\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Rolling Wrench","offers":[{"title":"Full NCY (Cast Piston)","offer_id":39502577139791,"sku":"Location TBD","price":468.0,"currency_code":"USD","in_stock":false},{"title":"Full Rolling Wrench (Cast Piston)","offer_id":48121472024805,"sku":"P-3 + P-2 + O-2-5","price":505.0,"currency_code":"USD","in_stock":true},{"title":"Full ProBld (Forged Piston)","offer_id":39502577172559,"sku":"P-4 + P-2 + O-2-5","price":652.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/IMG_8973.heic?v=1761857901"},{"product_id":"gy6-171cc-61mm-performance-kit-and-kaboodle","title":"GY6 Stage 2 Engine Package - 172cc - Carbureted","description":"\u003csection style=\"margin: 0; padding: 0;\" id=\"rw-desc\"\u003e\u003c!-- Build It Yourself Box (MOVED TO TOP) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 15px;\"\u003eHere are links to each individual part 👇\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e172cc Cast Piston Cylinder - Rolling Wrench\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e172cc Forged Piston Cylinder – ProBld\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-61mm-performance-cylinder-head\"\u003eGY6 61mm Performance Big Valve Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-performance-cam-shaft\"\u003eGY6 Performance Camshaft – ProBld\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cylinder?keyword=ncy%20cylinder\"\u003eNCY Performance Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cyilnder-head?keyword=ncy%20cylinder%20head\"\u003eNCY Performance Cylinder Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-camshaft-ncy?keyword=ncy%20cam\"\u003eGY6 Camshaft - NCY\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-leveling-clocking-flange\"\u003eShorty Pro Clocking Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/chinese-scooter-spark-plug-pre-gapped\"\u003eGY6 Scooter Spark Plug (Pre-gapped)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/8mm-exhaust-studs-nuts-gy6-qmj157\"\u003e8mm Exhaust Studs + Nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-oko-complete-carburetor?keyword=pwk%20carb\"\u003eGY6 PWK Complete Performance Carburetor - QMJ157\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Video --\u003e\n\u003cdiv style=\"margin: 20px 0px; text-align: left;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cem\u003e\u003cstrong\u003eWant to switch to fuel injection instead? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-172cc-61mm-scooter-performance-kit-and-kaboodle-copy\"\u003e Click here!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0px; text-align: left;\"\u003e\u003cem\u003e\u003cstrong\u003eWant to upgrade to stage 3? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-stage-3-engine-package?keyword=stage%203%20\"\u003e Click here!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/H1mHtXHmqrw?si=VotZ1oT5vHYFq-3r\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\n\u003cdiv style=\"margin: 20px 0; text-align: center;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/KMFUbyqRaV8?si=KvceFRTSy6jvR6e_\" style=\"max-width: 560px; border: none;\" height=\"315\" width=\"100%\"\u003e\n    \u003c\/iframe\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-172cc-61mm-scooter-performance-kit-and-kaboodle-copy\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- Quick Summary --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eAlready running our 172cc setup but want more throttle response and usable power? 🔥 \u003cstrong\u003eStage 2 unlocks the full potential\u003c\/strong\u003e of your big-bore engine with a properly matched \u003cstrong\u003ePWK performance carb system\u003c\/strong\u003e — crisp fueling, instant response, and stronger pull everywhere.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0;\"\u003e\n\u003cli\u003e💨 Faster acceleration \u0026amp; cleaner throttle\u003c\/li\u003e\n\u003cli\u003e🧰 All parts matched to work together — no guesswork\u003c\/li\u003e\n\u003cli\u003e🛵 Best upgrade after Stage 1 (172cc)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- The Details --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #1b8e18; border-radius: 8px; background: #e8f7e7; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eThe Details ⚙️\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003eWith the \u003cstrong\u003e172cc big-bore foundation\u003c\/strong\u003e in place, the engine can flow way more air — but the stock carb becomes a bottleneck. The \u003cstrong\u003ePWK 28mm carb\u003c\/strong\u003e is tuned specifically for this head and valve design, letting the engine breathe and make the power it was built for.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px; font-weight: bold;\"\u003ePerformance Carb System Includes:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 14px 20px; padding: 0;\"\u003e\n\u003cli\u003e🏁 PWK 28mm carburetor\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC intake manifold\u003c\/li\u003e\n\u003cli\u003eHigh-temp silicone intake coupler\u003c\/li\u003e\n\u003cli\u003e76\" throttle cable (pre-installed — no trimming)\u003c\/li\u003e\n\u003cli\u003eUNI USA pod filter (washable + reusable)\u003c\/li\u003e\n\u003cli\u003e20-piece jet kit — tune for altitude\/exhaust\u003c\/li\u003e\n\u003cli\u003eAdjustable carb \u003cstrong\u003eclocking flange\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 6px; font-weight: bold;\"\u003eChoose Your Piston Setup\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull ProBld (Forged)\u003c\/strong\u003e — strong, cool-running, long-life build\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e4032 forged piston\u003c\/li\u003e\n\u003cli\u003eRings pre-installed \u0026amp; measured\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28mm\/23mm)\u003c\/li\u003e\n\u003cli\u003eProBld performance camshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull Rolling Wrench (Cast)\u003c\/strong\u003e — value-minded daily setup, \u003cem\u003erings installed\u003c\/em\u003e:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston\u003c\/li\u003e\n\u003cli\u003eRings \u003cstrong\u003epre-measured and installed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eProBld camshaft tuned for torque\u003c\/li\u003e\n\u003cli\u003eClocking flange + NGK spark plug included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull NCY (Cast)\u003c\/strong\u003e — budget-friendly daily build\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston — reliable commuter setup\u003c\/li\u003e\n\u003cli\u003eYou gap\/install rings\u003c\/li\u003e\n\u003cli\u003eNCY torque-tuned camshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #d1a000; border-radius: 8px; background: #fff8db; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eWhat's Included 📦\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003ePWK 28mm carburetor (finish option selected)\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC intake manifold\u003c\/li\u003e\n\u003cli\u003eHigh-temp coupler\u003c\/li\u003e\n\u003cli\u003e76\" throttle cable (pre-installed)\u003c\/li\u003e\n\u003cli\u003eUNI performance pod filter\u003c\/li\u003e\n\u003cli\u003e20-piece jet kit\u003c\/li\u003e\n\u003cli\u003eAdjustable clocking flange\u003c\/li\u003e\n\u003cli\u003e172cc piston\/cylinder \u0026amp; big-valve head (ProBld or NCY)\u003c\/li\u003e\n\u003cli\u003ePerformance camshaft\u003c\/li\u003e\n\u003cli\u003eNGK spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #0074d9; border-radius: 8px; background: #eaf5ff; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eFitment 🔍\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eQMJ157 GY6\u003c\/strong\u003e engines only (long-case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e54mm\u003c\/strong\u003e stud spacing\u003c\/li\u003e\n\u003cli\u003eHonda Ruckus \u003cstrong\u003eGY6 swap\u003c\/strong\u003e builds\u003c\/li\u003e\n\u003cli\u003eMaddog \/ stretched GY6 builds\u003c\/li\u003e\n\u003cli\u003eMost 150–232cc GY6 scooters \u0026amp; buggies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eCheck your engine code — stamped on the left case by the center-stand pivot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Notes --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #c62828; border-radius: 8px; background: #fde8e8; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eImportant Things to Note 🚨\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMUST\u003c\/strong\u003e be QMJ157 engine — not QMB\/QMI\u003c\/li\u003e\n\u003cli\u003eNo engine case boring required\u003c\/li\u003e\n\u003cli\u003eBuggies may require spacing checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0; font-weight: bold;\"\u003eIf you’re unsure — send us a pic of your engine 👌\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Rolling Wrench","offers":[{"title":"Full NCY (Cast Piston) \/ 28mm Natural","offer_id":32669214834767,"sku":"Location TBD","price":655.0,"currency_code":"USD","in_stock":false},{"title":"Full NCY (Cast Piston) \/ 28mm Polished","offer_id":47994113818853,"sku":null,"price":655.0,"currency_code":"USD","in_stock":false},{"title":"Full NCY (Cast Piston) \/ 28mm Black","offer_id":47994113851621,"sku":null,"price":655.0,"currency_code":"USD","in_stock":false},{"title":"Full NCY (Cast Piston) \/ 28mm Pro","offer_id":47994113884389,"sku":null,"price":655.0,"currency_code":"USD","in_stock":false},{"title":"Full Rolling Wrench (Cast Piston) \/ 28mm Natural","offer_id":48121477726437,"sku":null,"price":680.0,"currency_code":"USD","in_stock":true},{"title":"Full Rolling Wrench (Cast Piston) \/ 28mm Polished","offer_id":48121477759205,"sku":null,"price":680.0,"currency_code":"USD","in_stock":true},{"title":"Full Rolling Wrench (Cast Piston) \/ 28mm Black","offer_id":48121477791973,"sku":null,"price":680.0,"currency_code":"USD","in_stock":true},{"title":"Full Rolling Wrench (Cast Piston) \/ 28mm Pro","offer_id":48121477824741,"sku":null,"price":680.0,"currency_code":"USD","in_stock":true},{"title":"Full ProBld (Forged Piston) \/ 28mm Natural","offer_id":42472690090213,"sku":"E-2-1 + E-1-2 + E-1-3 + P-4 + P-2 + O-2-5","price":855.0,"currency_code":"USD","in_stock":true},{"title":"Full ProBld (Forged Piston) \/ 28mm Polished","offer_id":47994113917157,"sku":null,"price":855.0,"currency_code":"USD","in_stock":true},{"title":"Full ProBld (Forged Piston) \/ 28mm Black","offer_id":47994113949925,"sku":null,"price":855.0,"currency_code":"USD","in_stock":true},{"title":"Full ProBld (Forged Piston) \/ 28mm Pro","offer_id":47994113982693,"sku":null,"price":855.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/IMG_8979.heic?v=1761864397"},{"product_id":"gy6-172cc-61mm-scooter-performance-kit-and-kaboodle-copy","title":"GY6 Stage 2 Engine Package - 172cc - Fuel Injection","description":"\u003csection style=\"margin: 0; padding: 0;\" id=\"rw-desc\"\u003e\u003c!-- Build It Yourself Box --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 15px;\"\u003e\u003cspan\u003eHere are links to each individual part 👇\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e172cc Cast Piston Cylinder - Rolling Wrench\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e172cc Forged Piston Cylinder – ProBld\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-61mm-performance-cylinder-head\"\u003eGY6 61mm Performance Big Valve Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-performance-cam-shaft\"\u003eGY6 Performance Camshaft – ProBld\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cylinder?keyword=ncy%20cylinder\"\u003eNCY Performance Cylinder\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cyilnder-head?keyword=ncy%20cylinder%20head\"\u003eNCY Performance Cylinder Head\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-camshaft-ncy?keyword=ncy%20cam\"\u003eGY6 Camshaft - NCY\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-leveling-clocking-flange\"\u003eShorty Pro Clocking Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/chinese-scooter-spark-plug-pre-gapped\"\u003eGY6 Scooter Spark Plug (Pre-gapped)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/8mm-exhaust-studs-nuts-gy6-qmj157\"\u003e8mm Exhaust Studs + Nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/rolling-wrench-gy6-plug-play-efi-kit?search=top-products\"\u003eProBld GY6 Full Auto Tune EFI System\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Stage Swap Option Link --\u003e\n\u003cdiv style=\"margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003e\u003cem\u003e\u003cstrong\u003ePrefer a PWK carb version instead? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-171cc-61mm-performance-kit-and-kaboodle?keyword=GY6%20STAGE%202\"\u003e Click here\u003c\/a\u003e!\u003cbr\u003e\u003cbr\u003eWant to upgrade to stage 3? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-stage-3-engine-package-fuel-injection?keyword=stage%203%20\"\u003e Click here!\u003c\/a\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Video --\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/H1mHtXHmqrw?si=WmuE0gYiXnrl_-TE\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\n\u003cdiv style=\"margin: 20px 0; text-align: center;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/KMFUbyqRaV8?si=KvceFRTSy6jvR6e_\" style=\"max-width: 560px; border: none;\" height=\"315\" width=\"100%\"\u003e\n    \u003c\/iframe\u003e\u003c\/div\u003e\n\u003c!-- Quick Summary --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eStage 2 \u003cstrong\u003eEFI\u003c\/strong\u003e takes our proven 172cc big-bore setup and replaces the carb completely with a full \u003cstrong\u003eauto-tune fuel injection system\u003c\/strong\u003e. No jetting, no elevation guesswork, no cold-start stumble — the ECU constantly adjusts fueling so you just key on and ride.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0;\"\u003e\n\u003cli\u003e🔥 Full 172cc big-bore + EFI combo\u003c\/li\u003e\n\u003cli\u003e🤖 Auto-tune fueling (no jets to swap)\u003c\/li\u003e\n\u003cli\u003e💨 Stronger pull + cleaner throttle everywhere\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- The Details --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #1b8e18; border-radius: 8px; background: #e8f7e7; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eThe Details ⚙️\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003eThis kit builds on the same \u003cstrong\u003ecool-running 172cc Stage 1 foundation\u003c\/strong\u003e — the largest displacement you can run without case boring — and adds a self-correcting EFI system on top.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px; font-weight: bold;\"\u003eEFI System Includes:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 14px 20px; padding: 0;\"\u003e\n\u003cli\u003eThrottle body with integrated \u003cstrong\u003eECU + injector\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO₂ sensor\u003c\/strong\u003e + weld-in bung\u003c\/li\u003e\n\u003cli\u003eAtmospheric pressure + throttle position sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-pressure fuel pump\u003c\/strong\u003e (~42 psi)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEFI wiring harness\u003c\/strong\u003e (simple 3-wire connection)\u003c\/li\u003e\n\u003cli\u003eUNI pod air filter (pre-installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 8px; font-weight: bold;\"\u003eCharging \/ Magneto Options:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 14px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-pole magneto\u003c\/strong\u003e — perfect for most riders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18-pole magneto\u003c\/strong\u003e — higher output for builds with big electrical load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 8px; font-weight: bold;\"\u003eTop-End Package Choices:\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull ProBld (Forged)\u003c\/strong\u003e — strongest + coolest running:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e4032 forged piston\u003c\/li\u003e\n\u003cli\u003eRings \u003cstrong\u003epre-measured and installed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eProBld performance camshaft\u003c\/li\u003e\n\u003cli\u003e5-axis CNC clocking flange\u003c\/li\u003e\n\u003cli\u003eNGK spark plug + all needed hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull Rolling Wrench (Cast)\u003c\/strong\u003e — value-minded daily setup, \u003cem\u003erings installed\u003c\/em\u003e:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston\u003c\/li\u003e\n\u003cli\u003eRings \u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003epre-measured and installed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eProBld camshaft tuned for torque\u003c\/li\u003e\n\u003cli\u003eClocking flange + NGK spark plug included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFull NCY (Cast)\u003c\/strong\u003e — value-minded daily setup:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston\u003c\/li\u003e\n\u003cli\u003eRings installed by you\u003c\/li\u003e\n\u003cli\u003eNCY big-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eNCY camshaft tuned for torque\u003c\/li\u003e\n\u003cli\u003eClocking flange + NGK spark plug included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eAlready running Stage 1? This is the plug-and-play upgrade that unlocks the full potential of your build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #d1a000; border-radius: 8px; background: #fff8db; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eWhat's Included 📦\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003eComplete 172cc top-end package (ProBld or NCY — your choice)\u003c\/li\u003e\n\u003cli\u003eEFI throttle body with ECU + injector\u003c\/li\u003e\n\u003cli\u003eO₂ sensor + bung\u003c\/li\u003e\n\u003cli\u003eHigh-pressure fuel pump setup\u003c\/li\u003e\n\u003cli\u003eEFI wiring harness\u003c\/li\u003e\n\u003cli\u003eUNI pod filter\u003c\/li\u003e\n\u003cli\u003eMagneto\/charging option (per your selection)\u003c\/li\u003e\n\u003cli\u003eAll required hardware and fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #0074d9; border-radius: 8px; background: #eaf5ff; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eFitment 🔍\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eQMJ157 GY6 engines only\u003c\/strong\u003e (no QMB \/ QMI)\u003c\/li\u003e\n\u003cli\u003eHonda Ruckus GY6 swap builds\u003c\/li\u003e\n\u003cli\u003eMaddog \/ stretched GY6 scooters\u003c\/li\u003e\n\u003cli\u003eMost 150–232cc GY6 scoots + buggies using QMJ157\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eEngine code is stamped near the center stand pivot — confirm \u003cstrong\u003eQMJ157\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Notes --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #c62828; border-radius: 8px; background: #fde8e8; padding: 15px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold;\"\u003eImportant Things to Note 🚨\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 18px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify QMJ157 engine code before purchasing.\u003c\/strong\u003e \u003ca href=\"https:\/\/www.youtube.com\/watch?v=zdrwJb8MLHI\" target=\"_blank\"\u003e(How to check)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eEFI requires a \u003cstrong\u003efuel return\u003c\/strong\u003e — drill-in nipple included or use EFI Crown Gas Cap.\u003c\/li\u003e\n\u003cli\u003eHigh-accessory builds should choose the 18-pole magneto for more power output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eNeed help choosing ProBld vs NCY or configuring the EFI? We’re here to help 👍\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Rolling Wrench","offers":[{"title":"Full NCY (Cast Piston) \/ 11 Pole","offer_id":45925968773349,"sku":"SHEET-19.3","price":1143.0,"currency_code":"USD","in_stock":false},{"title":"Full NCY (Cast Piston) \/ 18 Pole","offer_id":47994111459557,"sku":null,"price":1143.0,"currency_code":"USD","in_stock":false},{"title":"Full Rolling Wrench (Cast Piston) \/ 11 Pole","offer_id":48121477923045,"sku":null,"price":1180.0,"currency_code":"USD","in_stock":false},{"title":"Full Rolling Wrench (Cast Piston) \/ 18 Pole","offer_id":48121477955813,"sku":null,"price":1180.0,"currency_code":"USD","in_stock":false},{"title":"Full ProBld (Forged Piston) \/ 11 Pole","offer_id":47994108870885,"sku":null,"price":1327.0,"currency_code":"USD","in_stock":false},{"title":"Full ProBld (Forged Piston) \/ 18 Pole","offer_id":47994111492325,"sku":null,"price":1327.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/IMG-9356.heic?v=1763075356"},{"product_id":"gy6-stage-3-engine-package","title":"GY6 Stage 3 Engine Package - 172cc - Carbureted","description":"\u003csection id=\"rw-desc\" style=\"margin: 0; padding: 0;\"\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 15px;\"\u003e\u003cspan\u003eHere are links to each individual part 👇\u003c\/span\u003e\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e172cc Cast Piston Cylinder - Rolling Wrench\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e172cc Forged Piston Cylinder – ProBld\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-61mm-performance-cylinder-head\"\u003eGY6 61mm Performance Big Valve Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-performance-cam-shaft\"\u003eGY6 Performance Camshaft – ProBld\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cylinder?keyword=ncy%20cylinder\"\u003eNCY Performance Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cyilnder-head?keyword=ncy%20cylinder%20head\"\u003eNCY Performance Cylinder Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-camshaft-ncy?keyword=ncy%20cam\"\u003eGY6 Camshaft - NCY\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-leveling-clocking-flange\"\u003eShorty Pro Clocking Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/chinese-scooter-spark-plug-pre-gapped\"\u003eGY6 Scooter Spark Plug (Pre-gapped)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/8mm-exhaust-studs-nuts-gy6-qmj157\"\u003e8mm Exhaust Studs + Nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-oko-complete-carburetor?keyword=pwk%20carb\"\u003eGY6 PWK Complete Performance Carburetor - QMJ157\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-yoshimura-fatty-exhaust-system\"\u003eYoshimura RS2 - Carbon Fiber\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-raw-probld-yoshimura-exhaust-system\"\u003eYoshimura RS - Raw Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944059621\"\u003eProBld Carbon Fiber Weave\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944092389\"\u003eProBld Stealth Carbon Fiber\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0px; text-align: left;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cem\u003e\u003cstrong\u003eWant to upgrade to fuel injection instead? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-stage-3-engine-package-fuel-injection\"\u003e Click here!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/div\u003e\n\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/KMFUbyqRaV8?si=FXYtpLFW3s6RfLt1\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/H1mHtXHmqrw?si=WmuE0gYiXnrl_-TE\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e \u003c!-- Quick Read (Black) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f6f6f6; padding: 12px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eStage 3 (carbureted) finishes the package — \u003cstrong\u003eair → fuel → exhaust\u003c\/strong\u003e. You’re getting a proven \u003cstrong\u003e172cc\u003c\/strong\u003e top end, a properly matched \u003cstrong\u003ePWK 28 mm\u003c\/strong\u003e carb, and your choice of performance exhaust. The result is crisp throttle response, smoother mid-range, and real-world power you can actually feel — without getting lost in a tuning rabbit hole. Choose your combo: \u003cstrong\u003eFull ProBld (Forged)\u003c\/strong\u003e or \u003cstrong\u003eFull NCY (Cast)\u003c\/strong\u003e plus four carb finishes and four exhaust styles (32 total configurations).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- The Details (Green) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #2e8b57; border-radius: 8px; background: #e8f6ef; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #2e8b57;\"\u003e\u003cstrong\u003eThe Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis Stage 3 kit is a true drop-in package for \u003cstrong\u003eQMJ157\u003c\/strong\u003e GY6 engines and is the largest big-bore setup you can run without case boring. Paired with a \u003cstrong\u003ePWK 28 mm\u003c\/strong\u003e carburetor and a properly flowing exhaust, you’re looking at roughly \u003cstrong\u003e~13 HP\u003c\/strong\u003e (vs. ~7 HP stock) with clean fueling across the rev range and strong reliability. No oil cooler required, no weird mix-and-match parts — everything is chosen to work together.\u003c\/p\u003e\n\u003ch4 style=\"margin: 12px 0 6px;\"\u003ePick Your Top-End Package\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 6px;\"\u003e\u003cstrong\u003eFull ProBld (Forged)\u003c\/strong\u003e — strongest + longest-lasting:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e4032 forged piston\u003c\/strong\u003e for hard riding and long-term reliability\u003c\/li\u003e\n\u003cli\u003ePiston rings \u003cstrong\u003epre-measured \u0026amp; installed\u003c\/strong\u003e in the cylinder (no guesswork)\u003c\/li\u003e\n\u003cli\u003eProBld big-valve head (28 mm intake \/ 23 mm exhaust) with \u003cstrong\u003eall hardware\u003c\/strong\u003e + NGK plug\u003c\/li\u003e\n\u003cli\u003eProBld performance camshaft (strong low-to-mid punch that keeps pulling up top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-axis CNC clocking\/leveling flange\u003c\/strong\u003e (port-matched ~27.5 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 6px;\"\u003e\u003cstrong\u003eFull NCY (Cast)\u003c\/strong\u003e — value-minded daily setup:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast piston\u003c\/strong\u003e — solid choice for commuting and everyday riding\u003c\/li\u003e\n\u003cli\u003eRings installed by you (great if you like to double-check your own build)\u003c\/li\u003e\n\u003cli\u003eNCY head (28 mm \/ 23 mm) with hardware + NGK plug\u003c\/li\u003e\n\u003cli\u003eNCY camshaft focused on low-end torque and rideability\u003c\/li\u003e\n\u003cli\u003eClocking flange included for clean, repeatable fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003ePWK 28 mm Carburetors — 4 Styles (Same Performance)\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eEvery carb option is pre-assembled and test-fit in-house with all the supporting pieces you actually need:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-axis CNC intake manifold\u003c\/strong\u003e + \u003cstrong\u003ehigh-temp silicone hose\u003c\/strong\u003e (won’t dry rot like cheap rubber)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e76\" throttle cable\u003c\/strong\u003e (pre-installed on the carb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-piece jet kit\u003c\/strong\u003e for dialing in altitude and setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA UNI pod filter\u003c\/strong\u003e (washable \/ reusable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClocking\/leveling flange\u003c\/strong\u003e for perfect carb angle and frame clearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eSame performance, different look — pick the style that matches your build:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 14px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural\u003c\/strong\u003e — clean raw finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished\u003c\/strong\u003e — mirror-shine show finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack\u003c\/strong\u003e — stealthy and tucked into the frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro\u003c\/strong\u003e — premium detailing and finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003eExhaust Selection — 4 Options\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eChoose the sound and style that fits your build. All options flow way better than stock and are matched to the 28 mm PWK:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 4px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eProBld Stealth Carbon Fiber\u003c\/strong\u003e — low-key carbon look with a tight, refined tone. \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944092389\"\u003e\u003cstrong\u003e(CLICK HERE)\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProBld Carbon Fiber Weave\u003c\/strong\u003e — visible weave canister, lightweight with a crisp note. \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944059621\"\u003e\u003cstrong\u003e(CLICK HERE)\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYoshimura RS-2 Carbon\u003c\/strong\u003e — iconic Yoshi performance with a deep, premium sound. \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-yoshimura-fatty-exhaust-system?keyword=gy6%20exhaust\"\u003e\u003cstrong\u003e(CLICK HERE)\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYoshimura Raw Aluminum\u003c\/strong\u003e — lightweight raw can with classic Yoshi tone. \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-raw-probld-yoshimura-exhaust-system?keyword=gy6%20exhaust\"\u003e\u003cstrong\u003e(CLICK HERE)\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eBy Stage 3, intake, fueling, and exhaust are working as a \u003cem\u003ematched system\u003c\/em\u003e. The result is predictable tuning, smoother power delivery, and a GY6 that finally feels “finished.”\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Things to Note (Red) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #b22222; border-radius: 8px; background: #faeaea; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #b22222;\"\u003e\u003cstrong\u003eImportant Things to Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 10px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine fitment is critical.\u003c\/strong\u003e This kit is designed specifically for \u003cstrong\u003eQMJ157\u003c\/strong\u003e GY6 engines with 54mm stud spacing. If your engine code is not QMJ157, this kit \u003cstrong\u003ewill not fit\u003c\/strong\u003e. \u003ca style=\"text-decoration: underline; color: #b22222;\" href=\"https:\/\/www.youtube.com\/watch?v=zdrwJb8MLHI\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eCLICK HERE\u003c\/strong\u003e\u003c\/a\u003e to learn how to decode your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuggy \/ Go-Kart owners:\u003c\/strong\u003e there are a lot of GY6 variations in buggies and go-karts. We have not tested every single one, and some may require case boring or may have different stud spacing.\u003c\/li\u003e\n\u003cli\u003eMany buggy owners first buy an inexpensive top-end test kit to confirm everything before committing to a full build: \u003ca style=\"text-decoration: underline; color: #b22222;\" href=\"https:\/\/pagkrq9itb088e17-14150180.shopifypreview.com\/products\/gy6-61mm-top-end-test-gaskets\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eCLICK HERE for the GY6 61mm Test Gasket Kit.\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eIf you’re unsure about your engine, combo, or parts selection, reach out first — it’s way easier to confirm up front than to fix a mismatch later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included (Yellow) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #c9a500; border-radius: 8px; background: #fffbe6; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #c9a500;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 10px 20px; padding: 0;\"\u003e\n\u003cli\u003e172 cc Cylinder Kit (Cylinder, Piston, Rings, Wrist Pin, Clips, Base Gasket, Head Gasket)\u003c\/li\u003e\n\u003cli\u003eBig-valve performance head (28 mm intake \/ 23 mm exhaust)\u003c\/li\u003e\n\u003cli\u003ePerformance camshaft (ProBld or NCY depending on kit)\u003c\/li\u003e\n\u003cli\u003eNGK spark plug + full mounting hardware (intake \u0026amp; exhaust studs, gaskets, nuts)\u003c\/li\u003e\n\u003cli\u003e5-axis CNC clocking \/ leveling flange (port-matched ~27.5 mm)\u003c\/li\u003e\n\u003cli\u003ePWK 28 mm carburetor (Natural \/ Polished \/ Black \/ Pro)\u003c\/li\u003e\n\u003cli\u003e5-axis CNC intake manifold + high-temp silicone intake hose\u003c\/li\u003e\n\u003cli\u003e76\" throttle cable (pre-installed on the carb)\u003c\/li\u003e\n\u003cli\u003e20-piece jet kit\u003c\/li\u003e\n\u003cli\u003eMade in USA UNI pod filter\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOne (1) performance exhaust of your choice\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eEverything is chosen to work together — no chasing random parts or guessing what fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Rolling Wrench","offers":[{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Natural","offer_id":47988312015077,"sku":null,"price":1255.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Polished","offer_id":47994046316773,"sku":null,"price":1255.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Black","offer_id":47994046349541,"sku":null,"price":1255.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Pro","offer_id":47994046382309,"sku":null,"price":1255.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Natural","offer_id":48121478316261,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Polished","offer_id":48121478349029,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Black","offer_id":48121478381797,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Pro","offer_id":48121478414565,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Natural","offer_id":47993960857829,"sku":null,"price":1455.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Polished","offer_id":47994046415077,"sku":null,"price":1455.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Black","offer_id":47994046447845,"sku":null,"price":1455.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Pro","offer_id":47994046480613,"sku":null,"price":1455.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 28mm Natural","offer_id":47988312047845,"sku":null,"price":1195.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 28mm Polished","offer_id":47994046513381,"sku":null,"price":1195.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 28mm Black","offer_id":47994046546149,"sku":null,"price":1195.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 28mm Pro","offer_id":47994046578917,"sku":null,"price":1195.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 28mm Natural","offer_id":48121478447333,"sku":null,"price":1220.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 28mm Polished","offer_id":48121478480101,"sku":null,"price":1220.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 28mm Black","offer_id":48121478512869,"sku":null,"price":1220.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 28mm Pro","offer_id":48121478545637,"sku":null,"price":1220.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 28mm Natural","offer_id":47993960890597,"sku":null,"price":1395.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 28mm Polished","offer_id":47994046611685,"sku":null,"price":1395.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 28mm Black","offer_id":47994046644453,"sku":null,"price":1395.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 28mm Pro","offer_id":47994046677221,"sku":null,"price":1395.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 28mm Natural","offer_id":47988321157349,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 28mm Polished","offer_id":47994046709989,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 28mm Black","offer_id":47994046742757,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 28mm Pro","offer_id":47994046775525,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 28mm Natural","offer_id":48121478578405,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 28mm Polished","offer_id":48121478611173,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 28mm Black","offer_id":48121478643941,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 28mm Pro","offer_id":48121478676709,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 28mm Natural","offer_id":47993960923365,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 28mm Polished","offer_id":47994046808293,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 28mm Black","offer_id":47994046841061,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 28mm Pro","offer_id":47994046873829,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Natural","offer_id":47994039861477,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Polished","offer_id":47994046906597,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Black","offer_id":47994046939365,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 28mm Pro","offer_id":47994046972133,"sku":null,"price":1119.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Natural","offer_id":48121478709477,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Polished","offer_id":48121478742245,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Black","offer_id":48121478775013,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 28mm Pro","offer_id":48121478807781,"sku":null,"price":1144.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Natural","offer_id":47994039894245,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Polished","offer_id":47994047004901,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Black","offer_id":47994047037669,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 28mm Pro","offer_id":47994047070437,"sku":null,"price":1319.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/IMG_9398.heic?v=1765042139"},{"product_id":"gy6-stage-3-engine-package-fuel-injection","title":"GY6 Stage 3 Engine Package - 172cc - Fuel Injection","description":"\u003csection style=\"margin: 0; padding: 0;\" id=\"rw-desc\"\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f5f5f5; padding: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 15px;\"\u003e\u003cspan\u003eHere are links to each individual part 👇\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 0 18px; padding: 0; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e172cc Cast Piston Cylinder - Rolling Wrench\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e172cc Forged Piston Cylinder – ProBld\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-61mm-performance-cylinder-head\"\u003eGY6 61mm Performance Big Valve Head\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-performance-cam-shaft\"\u003eGY6 Performance Camshaft – ProBld\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-forged-piston-cylinder-probld\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/172cc-cast-piston-cylinder-rolling-wrench\"\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cylinder?keyword=ncy%20cylinder\"\u003eNCY Performance Cylinder\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/ncy-performance-cyilnder-head?keyword=ncy%20cylinder%20head\"\u003eNCY Performance Cylinder Head\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-camshaft-ncy?keyword=ncy%20cam\"\u003eGY6 Camshaft - NCY\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-leveling-clocking-flange\"\u003eShorty Pro Clocking Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/chinese-scooter-spark-plug-pre-gapped\"\u003eGY6 Scooter Spark Plug (Pre-gapped)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/8mm-exhaust-studs-nuts-gy6-qmj157\"\u003e8mm Exhaust Studs + Nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/rolling-wrench-gy6-plug-play-efi-kit?keyword=full%20atuo\"\u003eProBld GY6 Full Auto Tune EFI System\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-yoshimura-fatty-exhaust-system\"\u003eYoshimura RS2 - Carbon Fiber\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-raw-probld-yoshimura-exhaust-system\"\u003eYoshimura RS - Raw Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944059621\"\u003eProBld Carbon Fiber Weave\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uppforlbvmi3408v-14150180.shopifypreview.com\/products\/gy6-ruckus-exhaust-probld?variant=46126944092389\"\u003eProBld Stealth Carbon Fiber\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0px; text-align: left;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cem\u003e\u003cstrong\u003eWant a PWK carb instead of the EFI? 👉 \u003ca href=\"https:\/\/www.rollingwrenchdenver.com\/products\/gy6-stage-3-engine-package\"\u003e Click here!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/KMFUbyqRaV8?si=FXYtpLFW3s6RfLt1\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e \u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/H1mHtXHmqrw?si=WmuE0gYiXnrl_-TE\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003c!-- Quick Read (Black) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #000; border-radius: 8px; background: #f6f6f6; padding: 12px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eStage 3 takes our Stage 2 EFI setup and pushes things further — adding your choice of performance exhaust and a complete \u003cstrong\u003e172cc top-end package\u003c\/strong\u003e. You get the full intake → fuel → engine → exhaust performance path with smoother tuning, quicker throttle response, and real-world power in the \u003cstrong\u003e~13+ HP\u003c\/strong\u003e range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- The Details (Green) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #2e8b57; border-radius: 8px; background: #e8f6ef; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #2e8b57;\"\u003e\u003cstrong\u003eThe Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eStage 3 is the “complete build” tier for the \u003cstrong\u003eQMJ157 GY6\u003c\/strong\u003e. You’re combining our full Auto-Tune EFI system with a 172cc big-bore top end, upgraded valvetrain, and your choice of exhaust — all engineered to work together as a balanced system. No random mix-and-match parts, no guesswork tuning.\u003c\/p\u003e\n\u003cp\u003eWith a proper CVT setup and EFI fueling, most riders see \u003cstrong\u003earound ~13+ HP\u003c\/strong\u003e — nearly double the stock ~7 HP — and you still retain daily-ride reliability without the need for an oil cooler.\u003c\/p\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003e🔥 ProBld Full Auto-Tune EFI System\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eNo jetting. No headaches.\u003c\/strong\u003e EFI auto-adjusts for altitude, temp, and humidity.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003eThrottle body w\/ integrated ECU + injector\u003c\/li\u003e\n\u003cli\u003eAtmospheric, TPS \u0026amp; narrow-band O₂ sensors\u003c\/li\u003e\n\u003cli\u003eWeld-in O₂ bung included\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC ProBld intake w\/ Viton o-ring\u003c\/li\u003e\n\u003cli\u003eHigh-pressure fuel pump + feed\/return lines\u003c\/li\u003e\n\u003cli\u003eEFI harness (minimal hookups)\u003c\/li\u003e\n\u003cli\u003eEFI magneto + high-output ignition coil\u003c\/li\u003e\n\u003cli\u003eMade-in-USA UNI pod filter (pre-installed)\u003c\/li\u003e\n\u003cli\u003eGas-cap return option or tank-nipple return (both included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003e🔥 Exhaust Options (Your Choice)\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eChoose the system that matches your build. All are matched to EFI + 172cc airflow.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eProBld Raw Yoshimura-Style:\u003c\/strong\u003e hand-welded, crisp stainless tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYoshimura Fatty:\u003c\/strong\u003e polished premium finish, deep sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProBld Ruckus High-Mount:\u003c\/strong\u003e aggressive tone, compact fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProBld Ruckus Low-Mount:\u003c\/strong\u003e great for stretched\/slammed builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003e🔥 ProBld 172cc Forged-Piston Kit (Best Performance)\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eFor the strongest and longest-lasting setup:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 12px 20px; padding: 0;\"\u003e\n\u003cli\u003e4032 forged piston (superior strength + heat tolerance)\u003c\/li\u003e\n\u003cli\u003eBig-valve head (28 mm \/ 23 mm)\u003c\/li\u003e\n\u003cli\u003eRings pre-installed + pre-measured\u003c\/li\u003e\n\u003cli\u003eProBld 5-Axis CNC clocking flange\u003c\/li\u003e\n\u003cli\u003eProBld cam — strong low-mid torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 14px 0 6px;\"\u003e💰 NCY 172cc Cast-Piston Kit (Budget Option)\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003eSolid and reliable for everyday riding:\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 14px 20px; padding: 0;\"\u003e\n\u003cli\u003eCast piston (you install the rings)\u003c\/li\u003e\n\u003cli\u003eNCY big-valve head\u003c\/li\u003e\n\u003cli\u003eClocking flange + NGK plug\u003c\/li\u003e\n\u003cli\u003eNCY cam focused on smooth bottom-end torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eWant the value build? Go NCY. Want max power + long-term reliability? Go ProBld.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Things to Note (Red) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #b22222; border-radius: 8px; background: #faeaea; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #b22222;\"\u003e\u003cstrong\u003eImportant Things to Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 10px 20px; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMust be a QMJ157 engine\u003c\/strong\u003e — nothing else will fit.\u003c\/li\u003e\n\u003cli\u003eBuggy\/go-kart GY6 variants can differ — some may require case boring or have different stud spacing.\u003c\/li\u003e\n\u003cli\u003eIf you’re unsure about top-end fitment: \u003ca style=\"color: #b22222; text-decoration: underline;\" href=\"https:\/\/pagkrq9itb088e17-14150180.shopifypreview.com\/products\/gy6-61mm-top-end-test-gaskets\"\u003e\u003cstrong\u003eClick here for the 61mm Test Gasket Kit\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eEFI requires a \u003cstrong\u003ereturn fuel line\u003c\/strong\u003e — use the included tank nipple or EFI gas-cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-pole stators won’t work\u003c\/strong\u003e — must be 11, 12, or 18-pole.\u003c\/li\u003e\n\u003cli\u003eIf running a stock Ruckus ECU or Rolling Wrench harness, you’ll need the \u003cstrong\u003efuel pump simulator\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eIf you’re not sure about compatibility, reach out — we can confirm everything before you buy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included (Yellow) --\u003e\n\u003cdiv style=\"margin: 20px 0; border: 2px solid #c9a500; border-radius: 8px; background: #fffbe6; padding: 14px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #c9a500;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 10px 20px; padding: 0;\"\u003e\n\u003cli\u003e172cc Cylinder Kit (piston + rings installed)\u003c\/li\u003e\n\u003cli\u003eBig-valve cylinder head (28\/23 mm) with hardware\u003c\/li\u003e\n\u003cli\u003ePerformance camshaft (ProBld or NCY)\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC clocking \/ leveling flange\u003c\/li\u003e\n\u003cli\u003eNGK spark plug\u003c\/li\u003e\n\u003cli\u003eFull Auto-Tune EFI System (TB, ECU, injector, sensors)\u003c\/li\u003e\n\u003cli\u003eEFI magneto + high-output ignition coil\u003c\/li\u003e\n\u003cli\u003eEFI harness + fuel pump + lines\u003c\/li\u003e\n\u003cli\u003eGas-cap return or tank-nipple return\u003c\/li\u003e\n\u003cli\u003eMade-in-USA UNI pod filter\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOne (1) performance exhaust of your choice\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eEverything is designed to work together — no guessing what fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Rolling Wrench","offers":[{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 11 Pole","offer_id":47993964298469,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full NCY (Cast Piston) \/ 18 Pole","offer_id":47993964331237,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 11 Pole","offer_id":48121478938853,"sku":null,"price":1980.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 18 Pole","offer_id":48121478971621,"sku":null,"price":1980.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 11 Pole","offer_id":47993964396773,"sku":null,"price":2155.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS2 - Carbon Fiber \/ Full ProBld (Forged Piston) \/ 18 Pole","offer_id":47993964429541,"sku":null,"price":2155.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 11 Pole","offer_id":47993964495077,"sku":null,"price":1895.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full NCY (Cast Piston) \/ 18 Pole","offer_id":47993964527845,"sku":null,"price":1895.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 11 Pole","offer_id":48121479004389,"sku":null,"price":1920.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full Rolling Wrench (Cast Piston) \/ 18 Pole","offer_id":48121479037157,"sku":null,"price":1920.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 11 Pole","offer_id":47993964593381,"sku":null,"price":2095.0,"currency_code":"USD","in_stock":false},{"title":"Yoshimura RS - Raw Aluminum \/ Full ProBld (Forged Piston) \/ 18 Pole","offer_id":47993964626149,"sku":null,"price":2095.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 11 Pole","offer_id":47993964691685,"sku":null,"price":1819.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full NCY (Cast Piston) \/ 18 Pole","offer_id":47993964724453,"sku":null,"price":1819.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 11 Pole","offer_id":48121479069925,"sku":null,"price":1844.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full Rolling Wrench (Cast Piston) \/ 18 Pole","offer_id":48121479102693,"sku":null,"price":1844.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 11 Pole","offer_id":47993964789989,"sku":null,"price":2019.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Carbon Fiber Weave \/ Full ProBld (Forged Piston) \/ 18 Pole","offer_id":47993964822757,"sku":null,"price":2019.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 11 Pole","offer_id":47994022756581,"sku":null,"price":1819.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full NCY (Cast Piston) \/ 18 Pole","offer_id":47994022789349,"sku":null,"price":1819.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 11 Pole","offer_id":48121479135461,"sku":null,"price":1844.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full Rolling Wrench (Cast Piston) \/ 18 Pole","offer_id":48121479168229,"sku":null,"price":1844.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 11 Pole","offer_id":47994022822117,"sku":null,"price":2019.0,"currency_code":"USD","in_stock":false},{"title":"ProBld Stealth Carbon Fiber \/ Full ProBld (Forged Piston) \/ 18 Pole","offer_id":47994022854885,"sku":null,"price":2019.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/IMG_9398_f031a317-7cf7-4787-b5c2-430b2feee88f.heic?v=1765042453"}],"url":"https:\/\/www.rollingwrenchdenver.com\/collections\/gy6-stage-1-3-engine-packages.oembed","provider":"Rolling Wrench","version":"1.0","type":"link"}