88cc Big Bore Kit Z50 1982-87

This TB Parts Big Bore Kit (52mm) is for use with stock OEM Honda Cylinder head. – Lightweightaluminum 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 We recommend purchasing a highvolume oil pump kit  Installation Note: It will save alot of time and effort if the oil pump is installed while installing the borekit (requires cylinder removal).   This kit will work on the following Honda models: Honda Z50 1982-87