Seller notes

Forged Piston Kit - Standard Bore 86.96mmThis Vertex Piston Kits fits your 2011 2010 2009 Polaris Sportsman 850 EFI XP w/ EPS and is perfect for a tune up or performance upgrade. Vertex Piston Kit for 2009-2011 Polaris Sportsman 850 EFI XP w EPS - sr Status: In Stock Condition: New EXCEEDS EXPECTATIONS: All pistons are heat treated with a T-5 hardening and tempering cycle. All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston li...

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