NA-40019K Top End Kit 49.00/Std 11:1 Yam
NA-40019K Top End Kit 49.00/Std 11:1 Yam
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NA-40019K Top End Kit 49.00/Std 11:1 Yam
Elevate your motorcycle's performance with the NA-40019K Top End Kit, designed specifically for enthusiasts who demand the best from their machines. This comprehensive kit offers everything you need for a top-notch rebuild, ensuring your bike runs smoother and more efficiently than ever.
Features:
- Complete Kit Includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit.
- MOS2 (Teflon/Molybdenum) Coated Skirts: The rolled-on application process provides a bond that is 10 times stronger than traditional spray coatings, resulting in:
- Increased heat transfer.
- Reduced friction.
- Elimination of cold seizures.
- Machined Smooth Heads: Designed to reflect combustion heat and minimize carbon buildup, these heads help protect your piston while potentially increasing horsepower and fuel economy by up to 6%.
- Anodized Domes: Offering enhanced heat resistance and durability, anodized domes are 75% stronger than non-anodized options.
- Hypereutectic Casting Process: This advanced process provides higher silicon content, resulting in:
- Reduced expansion rates.
- Increased wear resistance.
- Enhanced ability to withstand higher cylinder temperatures.
Benefits:
Whether you are a seasoned rider or a weekend warrior, the NA-40019K Top End Kit is engineered to enhance your motorcycle's overall performance. Experience smoother acceleration, improved fuel efficiency, and increased durability with a setup that prioritizes strength and reliability.
Use Cases:
- Ideal for motorcycle enthusiasts looking to upgrade their engine components.
- Perfect for those undertaking a complete engine rebuild.
- Great for riders who want to enhance their bike's performance and longevity.
Transform your ride with the NA-40019K Top End Kit and enjoy the thrill of superior performance on every journey.
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.

