Namura OEM STYLE PISTON KIT STD NX-70004 fits 2021 Gas Gas MC85 / 2003-2022 Ktm 85 SX 17/14 / 2005-2010, 2013, 2020-2022 Ktm 85 SX 19/16 / 2008-2009 Ktm 85 Xc / 2014-2015, 2019-2022 Husqvarna TC85 19/16 / 2014-2022 Husqvarna TC85 17/14

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 seizuresMachined 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 pistonsHypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures