Description
If you’re running a 103ci motor in your Twin Cam Harley, piston quality directly impacts your engine’s reliability and power output—especially under boost or high-RPM conditions. The Wiseco K2789 reverse dome kit delivers the strength and thermal stability you need to avoid catastrophic detonation failure and maintain consistent performance across long riding sessions. Built in the USA with proven materials and coatings, these pistons give you the confidence to push your engine harder without compromise.
- Forged piston construction
- ArmorGlide™ coated skirts
- ArmorPlating on ring grooves
- Reduced thermal expansion
- Detonation-resistant design
- 103ci displacement rated
- 2007-2016 FLHRS fitment
- Twin Cam compatible
- USA manufactured
- Wiseco VM-rings compatible
- Wiseco XC-rings compatible
- Replacement rings sold separately









