Wiseco Pistons PK1058 ATV Piston Kit 96mm Yamaha YFM600 Grizzly

The Wiseco PK1058 is a complete piston kit designed for Yamaha YFM600 Grizzly ATVs, featuring a 96.0mm bore diameter with stock compression ratio. This kit includes a high-quality forged piston and top-end gasket kit for a complete rebuild solution.

Premium Forged Construction:

Wiseco pistons are forged in-house using proprietary tooling, ensuring complete control over the manufacturing process from raw material to finished component. Unlike brittle cast pistons, Wiseco's forged pistons feature a condensed grain structure aligned to the part's geometry, delivering superior strength, durability, and resistance to impact and fatigue under demanding conditions.

Key Features:

• 96.0mm bore diameter, stock compression design
• Forged aluminum construction for maximum strength-to-weight ratio
• Includes complete top-end gasket kit
• Engineered specifically for Yamaha YFM600 Grizzly applications
• Precision skirt coating for reduced friction and wear
• Developed through rigorous dyno testing and R&D
• Made in the USA with complete in-house manufacturing

Wiseco's forged pistons are engineered to withstand the extreme demands of high-performance motorsport applications, offering the toughness and reliability that cast pistons cannot match. Each piston is optimized for performance and longevity, making this kit ideal for both rebuilds and performance upgrades.