Description
NA-40000-10K Top End Kit HC Twin Cylinder 66.44/+2.50 Yam
Upgrade your engine with the NA-40000-10K Top End Kit, designed specifically for high-performance applications. This comprehensive kit will enhance your bike’s efficiency, durability, and performance, making it the perfect choice for enthusiasts and professionals alike.
Key Features:
- Complete Kit: Includes all essential components: piston, rings, wrist pin, clips, top end bearing, and a complete gasket kit.
- MOS2 Coated Skirts: Our advanced Teflon/Molybdenum coated skirts are rolled on for a bond that is 10 times stronger than conventional sprays, ensuring superior heat transfer and reduced friction.
- Machined Smooth Heads: Designed to reflect combustion heat and minimize carbon buildup, these heads can boost horsepower and improve fuel economy by up to 6%.
- Anodized Domes: The anodized finish increases heat resistance and durability, making our pistons 75% stronger than their non-anodized counterparts.
- Hypereutectic Casting Process: This innovative process enhances wear resistance and reduces expansion rates, allowing the pistons to withstand higher cylinder temperatures.
Why Choose the NA-40000-10K Top End Kit?
Whether you’re looking to optimize your bike’s performance on the track or enhance its longevity on the road, this top end kit provides unmatched reliability and efficiency. Experience improved acceleration, increased power output, and reduced maintenance frequency with components designed for the serious rider.






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