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2021 Polaris 850 PRO-RMK 163 3in
2004-2005 Yamaha YFM400F Kodiak 4x4
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Namura Technologies NA-10025-4 Piston Kit - 1.00mm Oversize to 69.45mm body-foot-controls 2021 Polaris 850 PRO-RMK 163Bore: 69. 45mm Sizing: 1. 00mm Oversize 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 carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and
