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Upgrade your Polaris engine with the WSM Piston Kit, designed for precise performance and durability. This kit features pistons with high-quality construction that meets or exceeds OEM standards, ensuring reliable operation and longevity. Each piston is coated with a nonabrasive, expansion-retarding MoS2 (Molybdenum Disulfide) layer that reduces heat and friction, resulting in improved power output and extended engine life. The MoS2 coating actively draws heat away through piston walls and directs it out the bottom, enhancing thermal management during operation. The pistons also incorporate specially hardened tops that add strength to the ring grooves, providing increased resistance to wear and mechanical stress. Additionally, the kit includes an improved E-clip design for secure ring retention and easier installation. Designed for a 75.00 mm bore, this piston kit is essential for rebuilding or upgrading your Polaris engine to maintain optimal performance and reliability.
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