If your planning your metruck build your gonna need to relocate your battery. In our opinion this is the best option. You can even mount your ECU to it. Be sure you check out our plug and play Metruck GY6 harness.
GY6 or GET Dip Stick Breather
GY6 Gear Up Kit
GY6 171cc Scooter Big Bore Kits (FITS QMJ157)
GY6 OKO / PWK Complete Performance Carburetor