Description
A worn or damaged top end will kill your engine’s efficiency and reliability. This WSM Top End Kit delivers a complete piston assembly with all critical gaskets and bearings in one package, eliminating the guesswork and multiple part orders. If you’re rebuilding a 4-stroke Honda or refreshing high-mileage internals, this kit ensures proper ring sealing, correct bearing preload, and factory-spec gasket seating.
The kit includes everything needed for a professional-grade top-end rebuild—no missing hardware, no compatibility headaches.
- Complete piston assembly
- Piston rings (set)
- Piston pins & clips
- Needle bearings
- Head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- Oil filter included
- Honda 4-stroke models
- MPN: 54-223-14
- 1mm oversized piston
- Bolt-on installation






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