Seller notes

Fits 1999 Polaris Big Boss 500 6x6 Top End Repair Kit,br> Top End Kit Includes: Piston, Rings, Wrist Pin, Clips, Top End Bearing, and Gasket Kit. MOS2 Coated Skirts for Increased Heat Transfer and Reduced Friction. Machined Smooth Heads for Reduced Carbon Buildup. Anodized Domes for Increased Heat Resistance and Durability. Hypereutectic Casting Process for Reduced Expansion Rates and Wear Resistance. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (T...

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