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The WSM Piston Kit, part number 50-300PK, is engineered for durability and high performance in Polaris engines. Featuring a precision 72.00 mm diameter, this kit ensures a perfect fit for optimal engine operation. Crafted with quality materials that meet or exceed OEM standards, the piston assembly delivers reliable performance in demanding conditions. The skirt incorporates a nonabrasive MoS2 (Molybdenum Disulfide) coating, which reduces heat and friction, thereby enhancing power output and extending component lifespan. This specialized coating helps draw heat away from piston walls and directs it out through the bottom, promoting efficient cooling and reducing thermal stress. The piston tops are specially hardened to reinforce ring groove strength, ensuring long-term durability under high-pressure scenarios. Additionally, the kit features an improved E-clip design for secure retention and ease of installation, making it a dependable choice for engine rebuilds or upgrades. Designed specifically for Polaris models, this piston kit provides a seamless fit and dependable performance, making it a valuable component for restoring or enhancing your machine's power and reliability.
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