Description
When you’re rebuilding a 2-cycle engine, piston quality directly impacts reliability, power output, and longevity. The Wiseco 77mm forged piston kit eliminates guesswork with precision engineering and a complete ring-and-pin assembly, so you can confidently return your Kawasaki JS300 to peak performance. Built from high-silicone bar stock, this piston resists thermal expansion and delivers the durability required for sustained high-RPM operation.
- Forged high-silicone material
- Reduced thermal expansion
- Includes rings, wrist pins, circlips
- 77mm bore diameter
- Kawasaki JS300 1987-1991
- 2-cycle engine compatible
- Wiseco ring compatibility required
- Bolt-on installation
- MPN: 549M07700
- Enhanced engine efficiency
