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The JE Pistons Piston Kit designed for the Polaris RZR XP Turbo features advanced engineering to enhance engine performance and durability. Crafted with proprietary Aligned Grain Flow Technology, these pistons utilize in-house forging processes that direct aluminum grain flow around critical areas, significantly increasing strength and resistance to stress. The inclusion of lateral gas ports channels combustion gases efficiently to the back of the top ring groove, increasing pressure behind the compression ring and ensuring a more consistent and reliable ring seal—an essential factor for boosted applications. Ultra-thick ring lands help maintain ring stability under high-horsepower conditions and forced induction, contributing to sustained engine performance and reduced ring blow-by. The piston crown is coated with a thermal barrier ceramic to minimize heat transfer, decreasing thermal fatigue and extending the lifespan of the piston. A proprietary moly-based dry film skirt coating is applied in-house to reduce friction and wear, assisting in smoother operation and longevity of the piston assembly. An accumulator groove adds volume below the top ring to trap unwanted gases, maintaining low pressure and improving overall ring seal and performance. Proper lubrication is ensured through two oil channels fed into the wrist pin bore, reducing wear and extending component life. The complete kit includes all necessary pistons, rings, wrist pins, and wire locks, providing a comprehensive upgrade solution. Upgraded 9310 steel wrist pins are stronger and thicker, designed to withstand the additional loads associated with forced induction. This piston kit offers a robust combination of strength, heat management, and sealing performance, making it an ideal choice for high-performance Polaris RZR XP Turbo engines seeking reliability and power enhancement.
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