Description
A worn or damaged top end directly compromises engine efficiency, compression, and reliability—especially in high-revving 4-stroke applications where precision tolerances are critical. The WSM Top End Kit delivers OEM-quality components engineered to restore your Honda’s performance and longevity without the guesswork of sourcing individual parts. This complete assembly kit eliminates the risk of mismatched components and gets you back to peak power with minimal downtime.
- Complete piston kit included
- Piston rings (factory spec)
- Wrist pins and circlips
- Needle bearings
- Head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- Oil filter included
- Honda 4-stroke compatible
- Bolt-on installation
- MPN: 54-223-10






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