High quality bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.
- Brand new high quality BBR aluminum cylinder
- 10.5:1 compression ratio
- 63mm piston
- Includes cylinder, piston, pin, rings, and gaskets