Description
A worn or damaged top end directly kills engine performance and reliability. The WSM Top End Kit delivers OEM-quality components in a complete package, eliminating the need to source pistons, rings, and gaskets separately—saving time and ensuring proper fitment. Whether you’re rebuilding after racing wear or refreshing a high-mileage engine, this comprehensive kit restores your 4-stroke to factory specifications with precision-engineered components.
What’s Included:
- Pistons (.5mm oversize)
- Piston rings
- Piston pins
- Piston pin clips
- Needle bearings
- Cylinder head gasket
- Cylinder base gasket
- Intake gasket
- Exhaust gasket
- Oil filter
Specifications:
- Manufacturer Part Number: 5422912
- Oversize: .5mm
- Application: 4-stroke engines
- Kit Type: Complete top-end
- Material: OEM-quality steel/aluminum
- Installation: Professional honing recommended
- Fitment: Honda 54-229-12 specific
