Namura NA-50012 Pistons

Bore: 86.93mmCompression: Standard CompressionSizing: Standard BoreMOS2 (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:for Polaris Scrambler 850 2015-2017for Polaris Scrambler 850 XP HO 2013-2014for Polaris Scrambler 850 XP HO EPS LE 2013-2014for Polaris Sportsman 850 2015for Polaris Sportsman 850 EFI Touring EPS 2010-2011for Polaris Sportsman 850 EFI X2 2011for Polaris Sportsman 850 EFI XP 2009-2011for Polaris Sportsman 850 EFI XP w/ EPS 2009-2011for Polaris Sportsman 850 HO Touring EPS 2012-2014for Polaris Sportsman 850 HO Touring EPS Bronze Mist LE 2014for Polaris Sportsman 850 HO Touring EPS Bronze Mist LE 2012for Polaris Sportsman 850 HO Touring EPS Sunset Red LE 2013for Polaris Sportsman 850 HO XP 2012-2013for Polaris Sportsman 850 HO XP EPS 2012-2014for Polaris Sportsman 850 HO XP EPS Browning LE 2012-2014for Polaris Sportsman 850 HO XP EPS Orange Madness LE 2012for Polaris Sportsman 850 HO XP EPS Pearl White LE 2014for Polaris Sportsman 850 HO XP EPS Stealth Black LE 2013for Polaris Sportsman 850 SP 2015-2017for Polaris Sportsman 850 Touring SP 2015-2017

• MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings.