Description
A worn or damaged top end directly kills engine performance and reliability. The WSM Top End Kit delivers a complete, OEM-quality rebuild solution that restores compression, sealing, and power output without compromise. Whether you’re rebuilding after high-mileage use or preventing catastrophic failure, this kit contains everything needed for a proper 4-stroke refresh on your Suzuki or Kawasaki 400.
- Suzuki/Kawasaki 400 compatible
- .75mm piston size
- Forged piston set
- Piston rings included
- Wrist pins and clips
- Needle bearing set
- Cylinder head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- Oil filter included
- Complete top-end rebuild kit
- 4-stroke engines
- Bolt-on installation ready
- MPN: 54-254-13









