NX-40005K Top End Kit 39.96/Std 11:1 Yam
NX-40005K Top End Kit 39.96/Std 11:1 Yam
Hurry up, only 10 items left in stock.
Couldn't load pickup availability
NX-40005K Top End Kit 39.96/Std 11:1 Yam
Unlock the full potential of your engine with the NX-40005K Top End Kit. Designed to provide everything you need for a high-performance upgrade, this comprehensive kit is perfect for both enthusiasts and professionals seeking enhanced efficiency and power.
Key Features:
- Complete Top End Kit: Includes piston, rings, wrist pin, clips, top end bearing, and a gasket kit, ensuring you have all necessary components for installation.
- MOS2 (Teflon/Molybdenum) Coated Skirts: Experience increased heat transfer and reduced friction. Our advanced coating process provides a bond ten times stronger than traditional spray-on coatings, helping to eliminate cold seizures.
- Machined Smooth Heads: Reflects combustion heat and minimizes carbon buildup, safeguarding your piston’s longevity. Tests suggest this feature can boost horsepower and fuel economy by up to 6%.
- Anodized Domes: Enhances heat resistance and durability. Pistons with anodized domes are 75% stronger than their non-anodized counterparts, ensuring reliability during high-performance use.
- Hypereutectic Casting Process: This innovative process utilizes higher silicon content for reduced expansion rates and exceptional wear resistance, allowing the pistons to withstand higher cylinder temperatures.
Benefits:
- Enhanced engine performance and reliability.
- Improved fuel efficiency and reduced operational costs.
- Longer engine life due to reduced wear and tear.
- Ideal for high-performance applications and racing enthusiasts.
Upgrade your engine's capabilities with the NX-40005K Top End Kit and experience the difference in power, efficiency, and durability. Perfect for those looking to push their machines to the limits!
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.

