Seller notes

High-Performance Piston Kit For 1999 Yamaha YFM350FW Big Bear 4x4 Forged high-silicon aluminum alloy for superior strength Innovative design boosts horsepower and torque Includes piston, rings, pins, and circlips for full kit setup Optimized for durability and longevity High-performance upgrade for 1999 Yamaha YFM350FW Big Bear 4x4 Upgrade your performance with the Wiseco 40109M08400 high-performance piston kit. This premium piston is forged from high-silicon aluminum alloy, ensuring optimum str...

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