NA-20065-4K Top End Kit 80.96/+1.00 11:1 Ac/Kaw
NA-20065-4K Top End Kit 80.96/+1.00 11:1 Ac/Kaw
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NA-20065-4K Top End Kit 80.96/+1.00 11:1 Ac/Kaw
Upgrade your engine's performance with the NA-20065-4K Top End Kit, designed specifically for Ac and Kawasaki models. This comprehensive kit is engineered to deliver unparalleled performance, durability, and reliability.
Key Features:
- Complete Top End Kit: Includes piston, rings, wrist pin, clips, top end bearing, and a complete gasket kit for a hassle-free installation.
- MOS2 Coating: Teflon/Molybdenum coated skirts with a rolled-on application process, providing a bond 10 times stronger than traditional coatings. Enjoy enhanced heat transfer and reduced friction, helping to prevent cold seizures.
- Machined Smooth Heads: Specially designed to reflect combustion heat and minimize carbon buildup, protecting the piston top while potentially increasing horsepower and fuel economy by up to 6%.
- Anodized Domes: Engineered for superior heat resistance and durability. Our anodized pistons are 75% stronger than their non-anodized counterparts.
- Hypereutectic Casting Process: Features a higher silicon content for reduced expansion rates and exceptional wear resistance, making it capable of withstanding higher cylinder temperatures.
Why Choose the NA-20065-4K Top End Kit?
This top-of-the-line kit not only enhances your engine's performance but also prolongs its lifespan. Invest in quality and experience the difference with a product designed for enthusiasts who demand the best. Whether you're racing, off-roading, or simply seeking to upgrade your ride, this kit offers the reliability and performance you need.
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.

