Description
A top-end rebuild is essential maintenance for any racing engine experiencing wear, lost compression, or performance degradation. The WSM Top-End Rebuild Kit delivers OEM-quality components in a single, complete package—eliminating the need to source pistons, rings, and gaskets separately. Whether you’re refreshing a well-used engine or preparing for the next season, this kit ensures your engine starts fresh with factory tolerances and racing-grade durability.
What’s Included:
- Precision pistons (.50 mm oversized)
- Piston rings (complete set)
- Wrist pins and clips
- Racing needle bearings
- Head gasket
- Base gasket
- Intake and exhaust gaskets
Technical Specifications:
- Manufacturer: WSM
- Part Number: 5453012P
- Piston Size: +0.50 mm
- Kit Type: Complete top-end
- Material: OEM-equivalent alloy
- Installation: Machine work required
- Application: Engine-specific fitment
- Racing-grade components included









