NAMURA NX-70040K 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-70040K Top End Repair Kit provides a practical solution for servicing the upper end of a compatible engine. Designed for repair and rebuild applications, this kit brings together essential top-end components in one convenient package, helping simplify parts selection and reduce the need to source individual replacement items.
The kit is suitable for professional technicians, powersports repair shops, and experienced enthusiasts who require dependable replacement components for routine maintenance or engine restoration. NAMURA is recognized for producing aftermarket engine components intended to support reliable fit and consistent service performance when installed according to the engine manufacturer’s procedures.
Before ordering, verify compatibility using the NAMURA part number NX-70040K and your engine’s year, make, model, and application requirements. Proper installation should include inspection of related components, use of correct assembly procedures, and adherence to recommended torque specifications. This product is supplied as a kit and is intended for qualified installation in compatible applications.

Features:

• Brand: NAMURA

• Part Number: NX-70040K

• Product Type: Top end repair kit

• Application: Engine upper-end repair and rebuild service

• Package Format: Complete kit for a compatible application

• Unit of Measure: Kit