Namura NA-50080K1 Top End Engine Repair Kit - High Performance Piston Rings & Gasket Set for Dirt Bikes, ATVs & Motorcycles - Perfect for Rebuilding 2-Stroke & 4-Stroke Engines

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. 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. 2 Pistons Required Per MachineThis item fits the following vehicle applications:compatible with Polaris Ranger 6x6 800 2011-2016compatible with Polaris Ranger 800 Crew 2011-2014compatible with Polaris Ranger 800 Crew EPS 2011-2012compatible with Polaris Ranger 800 EFI 2013-2014compatible with Polaris Ranger 800 EFI EPS 2013compatible with Polaris Ranger 800 EFI Mid-Size 2013-2014