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-70047K Top End Repair Kit is designed to support top-end engine repair and rebuild work with a convenient kit-based solution. Instead of sourcing individual components separately, this repair kit helps organize the parts needed for service in one package, making it a practical choice for maintenance, restoration, and performance-focused engine projects. The kit is supplied as a complete unit and is identified by part number NX-70047K for accurate application matching.
NAMURA is known for producing replacement engine components intended to support dependable service and consistent
