Description
A worn or damaged top end compromises compression, power delivery, and engine reliability—especially in high-revving 4-stroke applications where precision matters. The WSM Top End Kit delivers OEM-quality components in one complete package, eliminating the guesswork of sourcing individual parts and ensuring proper clearances and tolerances. Whether you’re rebuilding after a race season or restoring compression on an aging engine, this kit provides the durability and performance consistency your machine demands.
- Manufacturer: WSM
- MPN: 5422311
- Piston Oversized: .25mm
- Compatibility: 4-stroke engines
- Includes pistons, rings, pins, clips
- Needle bearing set included
- Head gasket kit
- Base gasket kit
- Intake gasket included
- Exhaust gasket included
- Oil filter included
- Fitment: Vehicle-specific (verify application)
- Installation: Professional service recommended
