NA-40004-2K Top End Kit 100.47/+0.50 11:1 Yam
NA-40004-2K Top End Kit 100.47/+0.50 11:1 Yam
Out of stock
Couldn't load pickup availability
NA-40004-2K Top End Kit 100.47/+0.50 11:1 Yam
Elevate your engine's performance with the NA-40004-2K Top End Kit, expertly designed for superior functionality and durability. This comprehensive kit includes everything you need to enhance your engine's efficiency and power.
Key Features:
- Complete Kit: Includes piston, rings, wrist pin, clips, top end bearing, and gasket kit for a hassle-free installation.
- MOS2 Coated Skirts: The advanced Teflon/Molybdenum coating is rolled on for a bond that is 10 times stronger than traditional sprays. Enjoy improved heat transfer, reduced friction, and minimized cold seizure risks.
- Machined Smooth Heads: Designed to reflect combustion heat and reduce carbon buildup, these heads not only protect your piston but can also potentially increase horsepower and enhance fuel economy by up to 6%.
- Anodized Domes: Experience increased heat resistance and durability. Our anodized pistons are 75% stronger than their non-anodized counterparts, ensuring longevity in performance.
- Hypereutectic Casting Process: This innovative process allows for higher silicon content, resulting in reduced expansion rates and enhanced wear resistance. It also withstands higher cylinder temperatures, making it ideal for high-performance applications.
Transform your engine's capabilities with the NA-40004-2K Top End Kit and experience the difference in performance, efficiency, and reliability.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

