Fits Honda Z50 Years 1969 to 1981:
– 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 – 20mm Performance carb assembly.
Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, air filter and long throttle cable – NEW! 12/08 – a main jet kit is now included too! Easily double your power and fun with this quality, yet economical bore kit!!