NA-40080K Top End Kit 46.96/Std 11:1 Yam
NA-40080K Top End Kit 46.96/Std 11:1 Yam
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NA-40080K Top End Kit 46.96/Std 11:1 Yam
Elevate your engine's performance with the NA-40080K Top End Kit. Designed specifically for Yamaha enthusiasts, this comprehensive kit ensures that your engine runs at its peak, delivering the power and efficiency you crave.
Key Features:
- Complete Top End Kit: Includes everything you need for a successful rebuild: piston, rings, wrist pin, clips, top end bearing, and gasket kit.
- MOS2 (Teflon/Molybdenum) Coated Skirts: The advanced rolled-on application provides a bond that is 10 times stronger than standard spray-on coatings. Enjoy enhanced heat transfer, reduced friction, and minimized cold seizures.
- Machined Smooth Heads: Designed to reflect combustion heat and reduce carbon buildup, these heads protect the piston and can potentially increase horsepower and fuel economy by up to 6%.
- Anodized Domes: These pistons are 75% stronger than non-anodized versions, enhancing heat resistance and overall durability.
- Hypereutectic Casting Process: This innovative process offers higher silicon content, which results in reduced expansion rates and increased wear resistance, allowing the pistons to withstand higher cylinder temperatures.
Benefits:
With the NA-40080K Top End Kit, you can expect:
- Improved engine durability and longevity.
- Enhanced performance and fuel efficiency.
- Reliable operation under extreme conditions.
Use Cases:
This top end kit is ideal for:
- Performance upgrades for Yamaha motorcycles.
- Engine rebuilds requiring reliable, high-quality components.
- Enthusiasts looking to maximize power and efficiency.
Transform your ride with the NA-40080K Top End Kit and experience the difference in power, efficiency, and performance!
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.

