Description
A top-end rebuild demands precision components that won’t compromise reliability or power output. The Wiseco K1668 piston kit delivers the durability and material strength your Big Twin engine needs, whether you’re freshening a worn motor or pushing displacement through overboring. This complete kit eliminates the guesswork—everything required for a proper rebuild comes in one box.
Wiseco’s high-silicon aluminum alloy construction resists thermal stress and wear better than standard forgings, ensuring your investment holds up under sustained performance demands. The included forged pistons, rings, wrist pins, and circlips are engineered to work together as a system, reducing compatibility issues and installation headaches. If you’re planning an overbore for extra cubic inches and horsepower, this kit provides the foundation to do it right.
- 3.528-inch bore diameter
- 10:1 compression ratio
- 1994-1998 Harley FLHR fitment
- High-silicon aluminum alloy
- Forged piston construction
- Complete ring set included
- Wrist pins and circlips
- Top-end gasket kit included
- Supports engine overboring
- Cylinder sleeves sold separately
- Bolt-on installation
- Wiseco K1668 MPN
