Namura Technologies NA-50012-BK Top End Repair Kit - Standard Bore 86.94mm

Bore: 86.94mm
Sizing: Standard Bore

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:

2015-2017 Polaris Scrambler 850
2013-2014 Polaris Scrambler 850 XP HO
2013-2014 Polaris Scrambler 850 XP HO EPS LE
2015 Polaris Sportsman 850
2010-2011 Polaris Sportsman 850 EFI Touring EPS
2011 Polaris Sportsman 850 EFI X2
2009-2011 Polaris Sportsman 850 EFI XP
2009-2011 Polaris Sportsman 850 EFI XP w/ EPS
2012-2014 Polaris Sportsman 850 HO Touring EPS
2012 Polaris Sportsman 850 HO Touring EPS Bronze Mist LE
2014 Polaris Sportsman 850 HO Touring EPS Bronze Mist LE
2013 Polaris Sportsman 850 HO Touring EPS Sunset Red LE
2012-2013 Polaris Sportsman 850 HO XP
2012-2014 Polaris Sportsman 850 HO XP EPS
2012-2014 Polaris Sportsman 850 HO XP EPS Browning LE
2012 Polaris Sportsman 850 HO XP EPS Orange Madness LE
2014 Polaris Sportsman 850 HO XP EPS Pearl White LE
2013 Polaris Sportsman 850 HO XP EPS Stealth Black LE
2015-2017 Polaris Sportsman 850 SP
2015-2017 Polaris Sportsman 850 Touring SP