Ensure precise fuel delivery with the Aeroflow BLACK FUEL RAIL designed for 4150 double pumper carburettors. Measuring 9-5/16" center-to-center, this 3/8" fuel rail optimizes fuel flow while fitting compactly within a 41 cm length. Discover how its lightweight 0.344 kg build enhances engine responsiveness.

Improve fuel delivery precision with the Holley Dual Inlet Rail, designed to fit two metering blocks and optimize flow efficiency. Measuring 42 cm in length, this lightweight 0.377 kg rail ensures a compact, durable solution for high-performance fuel systems. Explore how this rail enhances carburettor performance below.

Ensure optimal fuel delivery and enhanced engine performance with this dual inlet fuel line kit designed specifically for 4150 Holley carburettors. Crafted from stainless steel and measuring 41 cm in length, it offers durable reliability and precise fitment for your fuel system. Discover how this kit streamlines installation and improves fuel flow in the full description below.

Optimize your fuel system with the HOLLEY ULTRA HP aluminium Seriblack adapter, designed for seamless -8 ORB inlet integration into carburetor bowls. Measuring 42 cm in length and weighing just 0.389 kg, it delivers precise fitment and lightweight durability. Discover enhanced fuel flow efficiency and reliability for high-performance applications.