Upgrade your motorcycle’s performance with the WISECO Piston Kit, designed for Big Twin models from 1948 to 1980. Crafted from high-silicon aluminum alloy, this kit ensures exceptional strength and reliability while providing all essential components for a successful top-end rebuild.
- High-silicon aluminum alloy construction for enhanced durability
- Includes forged pistons, rings, wrist pins, and circlips
- Comprehensive gasket set for a complete rebuild
- Facilitates overboring for improved engine performance
- Easy installation with all necessary components included
- Cylinder sleeves sold separately for customized fit








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