Description
When you’re pushing a Honda XR80 to its limits, the piston and top-end components are where power is made—or lost. The Wiseco PK1279 delivers a complete top-end solution with aerospace-grade forged aluminum construction and a proven 9.7:1 compression ratio that maximizes output without sacrificing reliability. This kit replaces the guesswork of sourcing individual components and gets you back on the track faster.
Built on race-proven technology from top Supercross and Motocross competitors, the PK1279 is engineered specifically for Honda 2-stroke models, ensuring precise fitment and seamless integration with zero modification required. Every component—piston, rings, wrist pin, clips, bearing, and gaskets—is included and matched for optimal performance.
- 49.00 mm bore diameter
- 9.7:1 compression ratio
- Aerospace-grade forged aluminum
- High-performance piston rings included
- Wrist pin and clips included
- Top-end bearing included
- Complete gasket set included
- Bolt-on installation
- Honda XR80 1979–1984 fitment
- Wiseco MPN: PK1279
