Description
A worn or damaged piston can kill engine performance and reliability—especially on vintage Big Twin Harleys that demand precision. The Wiseco K1609 piston kit delivers a complete solution for overbore rebuilds, pairing forged pistons with matching rings, pins, and gaskets in a single package. This 0.040″ oversize configuration restores compression and power while maintaining the durability these classic engines are built for.
- High-silicon aluminum alloy
- Forged piston construction
- Includes piston rings
- Wrist pins and circlips
- Complete gasket set
- Fits 1948-1964 FL models
- 0.040″ overbore size
- Bolt-on installation ready
- Cylinder sleeves sold separately
- MPN: K1609
