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.
