Wide application range: Replacement for 4150 Holley Carburetor. This Dual Feed Carb Fuel Line is suitable for AN6 or 3/8inch hoses. Premium quality material: The Dual Feed Carb Fuel Line is made of aluminum alloy material, which is lightweight and high-strength. It can withstand high pressure and high temperature environments, ensuring the stability and safety of fuel flow. Smooth fuel flow: The design and manufacturing of the fuel rail have been carefully optimized to ensure smooth fuel flow within the rail, reduce resistance and pressure loss, and improve fuel supply efficiency. 7/8inch-20 threads: 7/8inch-20 threads can be tightly matched with corresponding connectors to ensure the firmness and sealing of the connection. Improving performance: The optimized design of the Dual Feed Carb Fuel Line and smooth fuel flow can improve the combustion efficiency and power output of the engine, providing better performance and driving experience. Durable material. Light weight and durability. This is High quality of Aluminum Alloy material. Easy installation, Excellent fitment and Superior Material. Type:Dual Feed Carb Fuel Line Sets Condition:100% Brand New Fitment Type:Direct Replacement Fitment:For 4150 Holley Carburetor Type:Without Watch/With Watch Colour:Black Material:Aluminum Alloy<br><br>Package Contents: 1 x Dual Feed Carb Fuel Line Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.