NAMURA NX-40005K 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

Restore dependable top-end performance with the NAMURA NX-40005K Top End Repair Kit. Designed as a convenient repair solution, this kit provides the essential components needed for servicing the upper portion of a compatible engine. It is a practical choice for maintenance, rebuild, and repair applications where reliable replacement parts are required.
The NAMURA NX-40005K is supplied as a complete kit, helping streamline the repair process and reduce the need to source individual components separately. Its organized kit format supports efficient installation and makes it easier to prepare for top-end service work. Always verify vehicle, engine, and application compatibility before installation.
Built for dependable service use, this NAMURA repair kit is suited to professional technicians, powersports repair facilities, and experienced do-it-yourself mechanics. Follow the engine manufacturer’s service procedures and use proper tools and installation practices to help achieve a reliable repair. The kit is sold as a complete unit and is identified by part number NX-40005K.

Features:

• Brand: NAMURA

• Part Number: NX-40005K

• Product Type: Top end repair kit

• Application: Engine top-end maintenance, repair, and rebuild service

• Kit Format: Complete service kit for convenient component replacement

• Installation: Follow manufacturer service procedures and verify compatibility before use