Description
If you’re building or rebuilding your M8 engine for real power, piston quality directly determines your compression efficiency, combustion velocity, and longevity under high RPM stress. The Wiseco K2803 kit eliminates guesswork with factory-matched components and proven coatings that handle extreme conditions without degradation. This is a complete, bolt-in solution that lets you focus on tuning, not troubleshooting.
Wiseco engineered these pistons specifically for 2020-2023 Harley-Davidson FLHXS models, combining high compression geometry with wear-resistant surface treatments. You get increased power output, faster flame travel for complete combustion, and the reliability that separates a weekend build from a season-long performer.
- ArmorX™ anti-wear coating
- ArmorFit™ skirt coating
- 11:1 compression ratio
- Dome design optimization
- Superfinish piston pin
- Two complete pistons included
- Rings, pins, circlips included
- 114 cubic inch displacement
- M8 engine platform
- 2020-2023 FLHXS fitment
- Zero clearance measurement needed
