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-90000-CK Top End Repair Kit is a practical replacement solution for servicing the top end of a compatible engine. Designed for repair and maintenance applications, this kit helps streamline the parts-gathering process by providing a dedicated NAMURA repair package under one part number. It is intended for professional technicians, powersports service centers, and experienced do-it-yourself mechanics who need dependable components for an engine refresh or top-end service.
The NAMURA NX-90000-CK is identified by part number NX-90000-CK, making it easier to match the kit with applicable service information and vehicle records. Before installation, verify
