Top End Kit .5mm Oversize 66.47mm Namura NA-11000-2K For 99-05 Arctic Cat 250

Product Details: 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 Vehicle FitmenttypeyearsmakemodelenginerequiredlocationnotesATV / SxS99-05Arctic Cat250 2x42491 ATV / SxS01-05Arctic Cat250 4x42491 Thanks for shopping with us ! Starcycle USA has been serving the world's motorcyclists since 1968. Our retail/internet/mail order warehouse is in the Gorman, California area between Los Angeles and Bakersfield. All items are available for local pick up, and installation! If you'd like to make an appointment for service contact us.