Namura NA-40012K Top End Rebuild 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 NA-40012K Top End Rebuild Kit. Designed for engine rebuilding and maintenance applications, this kit provides a convenient solution for replacing key top-end components during service. Using a matched rebuild kit helps simplify parts selection and supports a more efficient installation process.
The Namura NA-40012K kit is intended for powersports and small-engine applications where reliable fit and consistent component quality are important. It is suitable for professional technicians, engine builders, and experienced enthusiasts performing a top-end refresh or repair. Verify vehicle, engine, and application compatibility before ordering to ensure the kit meets your specific requirements.
Namura is recognized for producing replacement engine components designed to support dependable service and performance. The NA-40012K Top End Rebuild Kit is supplied as one complete unit and is identified by part number NA-40012K for straightforward reference when ordering replacement parts or planning an engine rebuild. Follow the engine manufacturer’s service procedures and use appropriate tools and installation practices.

Features:

• Brand: Namura

• Part Number: NA-40012K

• Product Type: Top end rebuild kit

• Application: Engine maintenance, repair, and top-end rebuilding

• Quantity: 1 kit

• Unit of Measure: Each