Seller notes

Fits 1991 Polaris Big Boss 250 6x6 Piston Kit MOS2 (Teflon/Molybdenum) Coated Skirts Machined Smooth Heads Anodized Domes Hypereutectic Casting Process RAD Powersports OEM Style Piston Kit .060 MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures Machined Smooth Heads - Reflects combustion heat and reduces ca...

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