Polaris ACE 150 EFI 2017-2021. Polaris ACE 150 LE EFI 2018. Polaris Ranger 150 EFI 2018-2023. Part: Top End Kit. CRU Products was started by Cycles R Us in 2009. Oversize: +0.50... Manufactured by Namura Kit includes piston, rings, pin, clips, & top end gasket kit (you get exactly what is pictured) Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan Namura gaskets use performance materials to increase durability and provide greater reliability Includes all gaskets pictured to rebuild top end Kit is for standard bore size - 57.40mm Piston is 57.38mm Made in Taiwan Fits: 2017 Polaris ACE 150 EFI 2018 Polaris ACE 150 EFI 2018 Polaris Ranger 150 EFI 2019 Polaris ACE 150 EFI 2019 Polaris Ranger 150 EFI 2020 Polaris Ranger 150 EFI 2017 Polaris Ace 150 for Sale in Pinconning, MI Polaris Top End Piston Kit Namura Top End Repair Kit 58.40mm For Polaris ACE150 Ranger 150 17 20 4658815 Top End Polaris Kits Swix Ultimate Alpine Tool and Wax Kit Ski Tuning Supplies