Description
When you’re rebuilding a classic Sportster top end, you need pistons engineered to handle the demands of modern riding while respecting the heritage of your machine. The Wiseco K1602 kit delivers the reliability and precision fit that separates a solid rebuild from a comeback job. This complete solution eliminates guesswork—everything from forged pistons to circlips arrives ready for installation.
Built from high-silicon aluminum alloy, these pistons are designed to withstand the thermal and mechanical stress of sustained performance while maintaining the tight tolerances critical to engine longevity. Whether you’re refreshing a tired top end or taking advantage of an overbore opportunity, this kit includes all the essentials for a professional-grade rebuild without the headaches of sourcing components individually.
- High-silicon aluminum alloy
- Forged piston construction
- 10:1 compression ratio
- 1972-1985 XLH fitment
- Complete ring set included
- Wrist pins and circlips included
- Top end gaskets included
- Bolt-on installation
- Cylinder sleeves sold separately
- MPN: K1602








