NA-50024K 77.95mm Motorcycle Top End Piston Repair Kit - Complete Engine Rebuild Kit for 2-Stroke Dirt Bikes (Perfect for Trail Riding & Motocross Maintenance)

Bore: 77.95mm Sizing: Standard BoreTop End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. 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. 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.2000-2002 fits POL Magnum 325 2x4 2000-2002 fits POL Magnum 325 4x4 2000-2002 fits POL Trail Boss 325 2000-2002 fits POL Xpedition 325