Description
A seized or worn top end forces you to choose between costly machine shop delays or unreliable DIY guesswork. The WSM Top End Kit delivers everything needed for a complete, factory-correct rebuild in one box—eliminating sourcing headaches and ensuring your 4-stroke engine performs like new. Whether you’re prepping for race season or restoring reliability after high-mileage use, this comprehensive kit keeps you on track without compromise.
- Complete piston assembly
- Rings and wrist pins
- Retaining clips included
- Needle bearing set
- Head gasket kit
- Base gasket kit
- Intake and exhaust gaskets
- Oil filter included
- 4-stroke engine fitment
- Honda application specific
- MPN: 54-228-13
- Bolt-on installation compatible








