Seller notes

OE Style Piston Kit .060 For 1989 Yamaha YFM350FW Big Bear 4x4 OE Style Piston Kit .060 MOS2 Coated Skirts for increased heat transfer and reduced friction Machined Smooth Heads to reflect combustion heat and reduce carbon buildup Anodized Domes for increased heat resistance and durability Hypereutectic Casting Process for reduced expansion rates and additional wear resistance Upgrade your engine with this high-quality piston kit. The MOS2 coated skirts offer increased heat transfer and reduced ...

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