OEM Polaris cylinder with new bore to match new piston kit assembly for
1989-2006 Polaris Big Boss 250
1989-2006 Polaris Trailblazer 250
Kit Includes:
- OEM Polaris cylinder with a new 74mm bore to new Wiseco top end piston kit
- Piston complete with piston, rings, cir clips and wrist pin
- Complete top end gaskets set
- Ready to install kit
