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-50011-6K Top End Repair Kit. Designed as a convenient service solution, this kit helps streamline engine repair and maintenance by grouping the components needed for a top-end rebuild into one organized package. It is a practical choice for powersports technicians, professional repair shops, and experienced riders performing scheduled service or replacing worn top-end components. The NAMURA top end repair kit is built to support consistent installation and reliable engine operation when used with the correct application. By selecting a complete repair kit instead of sourcing individual parts separately, you can simplify preparation, reduce the risk of overlooking an essential service component, and keep your repair project moving efficiently. Always verify vehicle
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