Description
A top-end rebuild demands precision components that can withstand extreme combustion pressures and sustained RPM loads. The WSM Original Series kit eliminates guesswork by bundling OEM-quality pistons, rings, and bearings into one complete solution, reducing sourcing time and ensuring proper tolerances across every critical component. Whether you’re refreshing a street engine or prepping for track duty, this .25mm oversized kit delivers the reliability professional rebuilds require.
- CNC-machined pistons
- Complete ring set
- Wrist pins included
- Retaining clips
- Racing needle bearings
- Head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- .25mm oversized bore
- MPN: 010-832-21
- Bolt-on installation






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