88cc stage 1 big bore kit for honda Z50, xr50 and crf50

50 Caliber Racing Stage 1 88cc Big Bore kit (52mm bore)

- Fits 88-99 Z50, 2000-2020 xr and crf 50's

- 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 (can still run pump gas)
- Head gasket kit includes all gasket needed to install bore kit.

- High volume oil pump is recommended
 

This is a great inexpensive way to pump up your old Honda 50 engine. This kit is recommended for those who dont want to spend a fortune but still want to see a nice power increase over the stock engine. This kit can be installed by anyone with basic mechanical skills that is not afrais to turn some nuts and bolts.