Description
NA-40005-2K Top End Kit 83.45/+0.50 11:1 Yam
Revitalize your engine with the NA-40005-2K Top End Kit, engineered specifically for performance and longevity. This kit is not just an upgrade; it’s a complete transformation for your engine’s top end.
Key Features:
- Comprehensive Kit: Includes everything you need – piston, rings, wrist pin, clips, top end bearing, and a full gasket kit for a seamless installation.
- MOS2 Coated Skirts: Featuring a revolutionary rolled-on application that bonds 10 times stronger than conventional spray coatings, enhancing heat transfer and reducing friction to prevent cold seizures.
- Machined Smooth Heads: Designed to reflect combustion heat and minimize carbon buildup, this feature can potentially boost horsepower and fuel economy by up to 6%.
- Anodized Domes: Crafted for superior durability, these anodized pistons are 75% stronger than non-anodized options, providing increased heat resistance for those demanding conditions.
- Hypereutectic Casting Process: This unique process leads to higher silicon content, resulting in reduced expansion rates and enhanced wear resistance, while also allowing for higher cylinder temperatures.
Benefits:
The NA-40005-2K Top End Kit is engineered not just to meet but to exceed your performance expectations. Each component is meticulously crafted to ensure optimal function, longevity, and reliability. Upgrade your engine and experience the difference in power and efficiency!






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