NAMURA Top End Rebuild Kit for Polaris with +1mm Bore - Part Number NA-50025-4K

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 NA-50025-4K top end rebuild kit is designed specifically for Polaris engines, providing a reliable solution for restoring engine performance. This comprehensive kit includes all necessary components to facilitate a complete top end overhaul, ensuring your vehicle runs smoothly and efficiently. Crafted with high-quality materials, the NAMURA kit offers durability and precision fitment, making it an ideal choice for enthusiasts and professional mechanics alike. The +1mm bore size enhances engine power and efficiency, delivering improved throttle response and overall performance. Whether you're performing routine maintenance or rebuilding after damage, this kit simplifies the process with all essential parts included in one package.

Designed with ease of installation in mind, the NAMURA top end kit features components that meet or exceed OEM standards. This ensures compatibility and longevity, allowing you to enjoy extended intervals between rebuilds. The kit’s comprehensive nature minimizes the need for additional purchases, saving both time and money. Engineered for durability and consistent performance, the NAMURA NA-50025-4K is the trusted choice for maintaining and restoring Polaris engines. Invest in quality with this all-in-one top end repair kit, and keep your vehicle operating at peak performance for miles to come.

Features:

• Complete top end rebuild kit for Polaris engines

• Includes all necessary components for installation

• Plus 1mm bore size for increased engine performance

• High-quality materials ensure durability and longevity

• Designed for easy installation and OEM compatibility