750 CFM Double Pumper Carburetor - 0-4779S actuator-vacuum-lines Models with Secondary Air Injection

Models with Secondary Air Injection (SAI) require a breather filter (CI100020-A)

System produces a nice rumble with minimal internal resonance

1996-1999 GMC K2500 350 CID

1993-1998 Jeep Grand Cherokee 318 CID

750 CFM Double Pumper Carburetor - 0-4779S actuator-vacuum-lines Models with Secondary Air InjectionOverview: 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