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Your cart is empty.MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons. Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.This item fits the following vehicle applications:compatible with Polaris ACE 2016compatible with Polaris ACE 900 SP 2016compatible with Polaris ACE 900 XC 2017-2019compatible with Polaris General 1000 2020compatible with Polaris General 1000 EPS 2016-2019compatible with Polaris General 4 1000 2020compatible with Polaris General 4 1000 EPS 2017-2019compatible with Polaris Ranger 900 Crew 2014-2015compatible with Polaris Ranger 900 XP 2013-2015compatible with Polaris Ranger Crew XP 1000 2017compatible with Polaris Ranger Crew XP 900 2017-2019compatible with Polaris Ranger XP 1000 2017compatible with Polaris Ranger XP 900 2017-2019compatible with Polaris RZR 4 900 EPS 2015-2017compatible with Polaris RZR 900 2015-2019compatible with Polaris RZR RS1 2018-2019compatible with Polaris RZR S 1000 EPS 2016-2019compatible with Polaris RZR S4 1000 EPS 2019compatible with Polaris RZR S4 900 EPS 2018compatible with Polaris RZR XP 1000 EPS 2015-2019compatible with Polaris RZR XP 4 1000 EPS 2014-2019