Description
A top-end rebuild demands precision-engineered components that can handle sustained high RPM loads without failure. Wiseco’s forged piston technology delivers the strength and thermal stability required for reliable performance, whether you’re pushing your Grizzly 600 on the trail or in competition. This complete kit eliminates guesswork—you get everything needed for a professional-grade rebuild in one box.
- High-silicone forged pistons
- Reduced thermal expansion
- Includes piston rings
- Wrist pins included
- Circlips included
- Top-end gasket kit
- Yamaha YFM600FW Grizzly 1998-2001
- Bolt-on installation
- Wiseco rings required
- MPN: PK1058
