NA-50091-BK Top End Kit Twin Cylinder 92.96/+0.01 Pol
NA-50091-BK Top End Kit Twin Cylinder 92.96/+0.01 Pol
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NA-50091-BK Top End Kit Twin Cylinder 92.96/+0.01 Pol
Upgrade your engine's performance with the NA-50091-BK Top End Kit, specially designed for twin-cylinder setups. This comprehensive kit comes loaded with premium components that ensure enhanced power, efficiency, and durability.
Features of the NA-50091-BK Top End Kit:
- Complete Kit: Includes everything you need—piston, rings, wrist pin, clips, top end bearing, and a gasket kit.
- MOS2 Coated Skirts: Our unique Teflon/Molybdenum coating is rolled on for a bond that is 10 times stronger than traditional spray-on coatings. Enjoy increased heat transfer, reduced friction, and minimized risk of cold seizures.
- Machined Smooth Heads: Reflect combustion heat effectively while reducing carbon buildup. Tests indicate that this feature can boost horsepower and fuel economy by up to 6%.
- Anodized Domes: Designed for superior heat resistance and durability. Pistons with anodized domes are 75% stronger than their non-anodized counterparts.
- Hypereutectic Casting Process: This advanced process results in pistons with higher silicon content, leading to reduced expansion rates, increased wear resistance, and the ability to withstand higher cylinder temperatures.
Transform your riding experience with the NA-50091-BK Top End Kit, where innovation meets performance. Elevate your engine’s capabilities today!
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.

