Elevate your vehicle's performance with this high-performance 4-barrel double pumper carburetor. Designed as a direct replacement for Holley Double Pumper 4150 carburetors, this square bore carburetor features advanced annular booster technology for superior fuel atomization and throttle response. The precision-engineered aluminum construction ensures durability while maintaining optimal weight characteristics. This drag race-ready carburetor comes complete with all necessary hardware, including mounting gaskets and fuel line connections. The double pumper design delivers additional fuel under hard acceleration, making it perfect for high-performance street and race applications. The kit includes essential components like fuel inlet fittings, a mounting gasket, and vacuum lines for a complete installation. The robust construction and precise calibration make this carburetor an excellent choice for serious performance enthusiasts looking to maximize their engine's potential.