Rolling Wrench
GY6 63mm 205cc Big Bore Kit for 8.2mm Stroker - ProBld
GY6 63mm 205cc Big Bore Kit for 8.2mm Stroker - ProBld
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This is our ProBld 205cc big bore cylinder kit for your GY6 A motor (54mm stud spacing). The thing that makes this kit so unique, is the spacer for the 8.2mm stroker crank is built into the cylinder. It has a forged 63mm piston with a ceramic coated cylinder to keep it cool. We offer this kit with a 4v piston or two valve piston. Choose this correct cylinder head for the piston you choose:
2V ProBld Ultimate: CLICK HERE!
4V ProBld Head: CLICK HERE
8.2mm stroker crank (needed for this kit): CLICK HERE
IMPORTANT NOTE: Your engine cases will need to be bored out. This is not a drop in kit. You will need this tool CLICK HERE. Definitely add a high volume oil pump to this set up CLICK HERE. We also recommend an oil cooler: CLICK HERE.
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