Namura Top End Repair Kit 68.65MM NA-10027-1K fits 2016-2017 Honda TRX250X / 2001-2008 Honda SporTrax 250 TRX250EX 2X4 / 2002-2009, 2011-2014, 2016-2017 Honda Recon 250 TRX250TE 2X4 ES / 2002-2009, 2011-2014, 2016-2017 Honda Recon 250 TRX250TM 2X4

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kitMOS2 (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