Namura Technologies NA-50080-BK Top End Repair Kit - Standard Bore 79.96mm

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.

Vehicle Fitment:

2010-2015 Polaris Ranger 6x6 800
2010-2014 Polaris Ranger 800 Crew
2010-2012 Polaris Ranger 800 Crew EPS
2012-2013 Polaris Ranger 800 Crew EPS LE
2013-2014 Polaris Ranger 800 EFI
2013 Polaris Ranger 800 EFI EPS
2013-2014 Polaris Ranger 800 EFI EPS LE
2013 Polaris Ranger 800 EFI LE
2013-2014 Polaris Ranger 800 EFI Mid-Size
2013 Polaris Ranger 800 EFI Mid-Size LE
2014 Polaris Ranger 800 EPS Mid-Size LE
2012 Polaris Ranger 800 XP
2008-2009 Polaris Ranger RZR 800
2009 Polaris Ranger RZR 800 S
2012-2013 Polaris Sportsman 800 6x6 Big Boss
2005-2007 Polaris Sportsman 800 EFI
2009-2014 Polaris Sportsman 800 EFI
2009-2011 Polaris Sportsman 800 EFI 6x6 Big Boss
2008-2009 Polaris Sportsman 800 EFI Touring
2007-2009 Polaris Sportsman 800 EFI X2
2012-2014 Polaris Sportsman Forest 800
2012-2014 Polaris Sportsman Forest 800 6x6