Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Gold Chromate 2010027 this flat one-piece guide plate

this flat one-piece guide plate set is designed for Pontiac 350-455 and AMC 290-401 engines with 7/16" studs and 5/16" pushrods

Cam "lift" directly affects the accelerator pump stroke and

1961-1961 Studebaker 6E13D

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

Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Gold Chromate 2010027 this flat one-piece guide plateNOTE: 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