NAMURA NA-10008K Honda Standard-Bore 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 NA-10008K Honda Standard-Bore Top End Repair Kit. Designed for compatible Honda powersports applications, this kit provides a practical solution for servicing worn or damaged top-end components while maintaining the original standard-bore configuration. It is suited for repair, rebuild, and routine engine maintenance projects where reliable replacement parts are essential.
The standard-bore design is intended for cylinders that remain within the manufacturer’s original bore specification, helping support a straightforward replacement process without requiring an oversized piston setup. Before installation, inspect the cylinder, piston, connecting rod, and related components for wear or damage, and confirm that the application and required clearances match the engine manufacturer’s service specifications. Proper preparation and assembly are important for achieving consistent compression, smooth operation, and long service life.
Built by NAMURA, the NA-10008K is a dependable choice for professional technicians, powersports repair shops, and experienced home mechanics. The kit is identified by part number NA-10008K for accurate ordering and application reference. Always compare the existing top-end components and consult the vehicle service information before beginning work. Follow all recommended break-in procedures after installation to help the replacement components seat correctly and deliver reliable engine performance.

Features:

• Brand: NAMURA replacement top-end repair kit

• Part Number: NA-10008K for application and ordering reference

• Application: Designed for compatible Honda powersports engines

• Bore Specification: Standard-bore configuration for cylinders retaining the original bore size

• Service Use: Suitable for engine repair, rebuilding, and top-end maintenance