Overview Other Details Reviews Product Description Carburetor - Model 4150 - 4-Barrel - 750 CFM - Square Bore - Electric Choke - Mechanical Secondary - Dual Inlet - Polished / Red - Each Other Details 9.7 Product Videos Custom Field Product Reviews Write a Review Write a Review × Holley Holley Carburetor - 750CFM Ultra Double Pumper Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *