NAMURA NX-20001-CK Top End Repair Kit

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

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 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

The NAMURA NX-20001-CK Top End Repair Kit is designed to support top-end engine repair and rebuild applications. This service kit provides a convenient way to organize the components needed for maintenance at the upper section of an engine, helping reduce the need to source related repair items individually. It is suited for professional technicians, powersports service centers, and experienced home mechanics following the appropriate engine service procedures.
The kit format helps streamline repair planning by grouping compatible top-end service components under one NAMURA part number. Before installation, compare the application requirements, engine specifications, and existing components with the manufacturer’s service information to confirm proper