Top-quality Namura Technologies FX-10039 Piston Kit - Standard Bore 76.80mm, 13.2:1 Compression

MOS2 (made with Teflon™/Molybdenum) Coated Skirts - A rolled on application process provides a fits 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