Description
If you’re running a Honda TRX450R and pushing performance limits, a worn or damaged piston directly tanks your power output and engine reliability. The Wiseco PK1070 kit replaces your entire top-end assembly with precision-forged components engineered to handle sustained high-RPM operation without degradation. You get a complete, matched system—piston, rings, wrist pins, and gaskets—all designed to work together seamlessly, eliminating compatibility guesswork.
Wiseco’s high-silicone forged stock minimizes thermal expansion, critical for maintaining tight ring seal and preventing blow-by under aggressive riding. This kit gives you the durability and performance consistency that separates reliable builds from ones that fail mid-season.
- 94mm bore diameter
- Forged piston construction
- High-silicone bar stock
- Includes piston, rings, wrist pins
- Circlips and gasket set included
- Wiseco-matched ring set
- 2-cycle engine application
- Precision-engineered tolerances
- Minimal thermal expansion
- Honda TRX450R 2004-2005 specific
- Use only Wiseco rings included
