Description
When you’re rebuilding a classic Sportster or pushing for higher displacement, piston quality directly impacts engine longevity and reliability. The Wiseco K1604 kit gives you forged pistons engineered from high-silicon aluminum alloy—the same material choice trusted in high-stress racing engines. This complete top-end solution eliminates the guesswork of sourcing individual components, so you can focus on getting your XLH back on the road with confidence.
- High-silicon aluminum alloy
- Forged construction
- Includes pistons, rings
- Wrist pins and circlips
- Comprehensive gasket set
- 1972–1985 XLH fitment
- Bolt-on installation ready
- Overbore or rebuild capable
- Cylinder sleeves sold separately
