Description
A worn top end compromises compression, power delivery, and fuel efficiency—leaving performance on the table. The WSM Top End Kit delivers a complete piston assembly with OEM-quality components, eliminating the hassle of sourcing individual gaskets, rings, and bearings separately. This is a comprehensive rebuild solution for 4-stroke engines that restores cylinder head sealing integrity and piston-to-ring dynamics.
- Complete piston kit
- Includes all gaskets
- Head gasket included
- Base gasket included
- Intake/exhaust gaskets
- Piston rings
- Wrist pins
- Retaining clips
- Needle bearings
- Oil filter included
- 4-stroke engine compatible
- Honda applications
- MPN: 54-227-13
- .75mm oversize
- Bolt-on installation





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