NA-40002-4K Top End Kit Hc 66.94/+1.00 11:1 Yam
NA-40002-4K Top End Kit Hc 66.94/+1.00 11:1 Yam
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NA-40002-4K Top End Kit Hc 66.94/+1.00 11:1 Yam
Unlock the full potential of your engine with the NA-40002-4K Top End Kit. This premium kit is designed for performance enthusiasts who demand reliability and efficiency. Packed with high-grade components, this kit ensures optimized performance and longevity.
Features:
- Complete Top End Kit: Includes a piston, rings, wrist pin, clips, top end bearing, and a comprehensive gasket kit.
- MOS2 (Teflon/Molybdenum) Coated Skirts: A revolutionary rolled-on application that bonds 10 times stronger than traditional spray coatings, enhancing heat transfer and reducing friction to prevent cold seizures.
- Machined Smooth Heads: Crafted to reflect combustion heat effectively, reducing carbon buildup and protecting the piston top, with potential increases in horsepower and fuel economy by up to 6%.
- Anodized Domes: Engineered for heat resistance and durability, offering 75% more strength compared to non-anodized pistons, ensuring a longer lifespan.
- Hypereutectic Casting Process: Features higher silicon content for reduced expansion rates, enhanced wear resistance, and the ability to withstand higher cylinder temperatures.
Elevate your engine's performance with the NA-40002-4K Top End Kit, where cutting-edge technology meets exceptional durability. Experience the difference in power and efficiency today!
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.

