Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Gold Chromate 2010027 2" deck height and #2981

2" deck height and #2981 fits standard 351W blocks with a 9

Choose length above

These new double shear bearing suspension cages are the strongest on the market

Cam "lift" directly affects the accelerator pump stroke and

BMR's cradle bushings replace the entire OE rubber bushing

Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Gold Chromate 2010027 2" deck height and #2981NOTE: Due to the natural color variations of the dichromate plating process, the plating color may vary from casting to casting (within a carburetor) and from carburetor to carburetor. This is considered normal and is not a cosmetic defect. If you desire a carburetor with no color variation, please shop our black and shiny finish carburetors. Performance upgrade for stock to mildly modified vehicles Universal calibration for easy bolt on performance