Holley - 650 CFM - 4150 - Mechanical Secondaries - Gold Dichromate - Gasoline Main Cap - 4-Bolt -

Main Cap - 4-Bolt - Rear - Straight Bolts - Ductile Iron - Natural - Standard Journals - Big Block Chevy - Each

125 in OD - 47 in Long - 5/8-18 in Female Thread - Chromoly - Chrome - Sprint - Each

Fuel Additive - Upper Cylinder Lube - System Cleaner - Lubricant - 5

The inlet is located next to one of the outlets on the same side of the case

Lifter Kit - Hydraulic Roller - Lifter Guides / Retainer / Hardware - Big Block Chevy - Kit

Holley - 650 CFM - 4150 - Mechanical Secondaries - Gold Dichromate - Gasoline Main Cap - 4-Bolt -Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for