NA-40002K Top End Kit Hc 65.94/Std 11:1 Yam
NA-40002K Top End Kit Hc 65.94/Std 11:1 Yam
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NA-40002K Top End Kit Hc 65.94/Std 11:1 Yam
Unlock the full potential of your engine with the NA-40002K Top End Kit, meticulously designed to enhance performance and durability. This comprehensive kit is the perfect solution for motorcycle enthusiasts who demand the best for their machines.
Key Features:
- Complete Package: The Top End Kit includes everything you need for a successful overhaul: piston, rings, wrist pin, clips, top end bearing, and gasket kit.
- MOS2 Coated Skirts: Our unique Teflon/Molybdenum coated skirts utilize a rolled-on application process, creating a bond that is 10 times stronger than traditional spray-on coatings. Experience enhanced heat transfer, reduced friction, and minimized risk of cold seizures.
- Machined Smooth Heads: These precision-engineered heads reflect combustion heat and minimize carbon buildup, protecting your piston and optimizing performance. Tests indicate a potential increase in horsepower and fuel efficiency by up to 6%.
- Anodized Domes: The anodization process increases heat resistance and enhances durability. With anodized domes, pistons exhibit 75% more strength compared to non-anodized alternatives.
- Hypereutectic Casting Process: This advanced method provides a higher silicon content for reduced expansion rates and increased wear resistance, ensuring your engine withstands higher cylinder temperatures.
Benefits:
The NA-40002K Top End Kit is engineered for those who demand superior performance and longevity from their engine components. With its innovative features, you can expect:
- Improved engine reliability
- Enhanced thermal efficiency
- Optimal performance under demanding conditions
- Cost-effective maintenance with easy installation
Transform your riding experience and give your motorcycle the upgrade it deserves with the NA-40002K Top End Kit!
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.

