88CC Big Bore Kit K1-81

This TB 88cc Big Bore Performance Kit (52mm) is for use with the stock OEM Honda cylinder head.  It includes the following features: Lightweight aluminum cylinder with steel sleeve Cast in mounts on cylinder for aftermarket skid plates Oversized cooling fins on cylinder for efficient heat dissipation High compression 52mm piston with rings, pin, & clips Head gasket kit NO case boring required Easy bolt on power!! We also recommend purchasing a high-volume oil pump kit (available on this site). The kit will work on the following Honda models: Z50 K1-81 CT70 K0-81 All SL70 & XL70