Description
A complete top-end rebuild starts with the right piston kit, and the WSM Top End Kit delivers the precision engineering your 4-stroke engine demands. This comprehensive package eliminates the guesswork of sourcing individual components, ensuring perfect fitment and compatibility across all critical internal tolerances. Whether you’re refreshing a worn engine or preparing for competition, this kit provides everything needed for a proper, long-lasting rebuild.
- Complete piston assembly
- Piston rings included
- Wrist pins and clips
- Needle bearing set
- Head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- Oil filter included
- 1mm oversized bore
- Honda 4-stroke compatible
- MPN: 5422014
- Bolt-on installation ready









