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The JE Pistons Piston Kit for Polaris RZR XP900, featuring a 93.00 mm bore and a 9.5:1 compression ratio, is engineered to deliver enhanced durability and performance in high-demand off-road applications. Crafted with Aligned Grain Flow Technology, this piston benefits from proprietary forging that guides the aluminum grain structure around critical stress points, significantly increasing strength and resistance to fatigue. The design incorporates lateral gas ports that efficiently channel combustion gases to the back of the top ring groove, generating increased pressure behind the compression ring to ensure a superior seal, which is especially beneficial in boosted and high-horsepower engines. The ultra-thick ring lands provide added stability during forced induction, helping maintain consistent ring sealing and power output under demanding conditions. The piston crown is coated with a thermal barrier ceramic that reduces heat transfer into the piston material, lowering the risk of thermal fatigue and extending piston life. Additionally, the proprietary moly-based dry film coating on the skirt minimizes operating friction, resulting in improved wear resistance and smoother operation. An accumulator groove is incorporated to trap unwanted gases below the top ring, maintaining low pressure and high performance. Dual oil channels in the pin bore ensure proper lubrication of the wrist pin, enhancing wear resistance over time. The complete kit includes high-quality pistons, rings, upgraded 9310 alloy wrist pins, and wire locks, all designed for reliable performance. This piston kit is a comprehensive solution for enthusiasts seeking to maximize the power and longevity of their Polaris RZR XP900 with durable, precision-engineered components.
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