Holley - 650 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline 483 in - Duration 279

483 in - Duration 279 / 296 - 107 LSA - 1800 / 5600 RPM - Big Block Chevy - Kit

8L - Ford Mustang 2013-14 - Kit

880 in Head - 11/32 in Valve Stem - 5

Talk about a smooth operator

Rivet - Small - 3/8 in Head - 3/16 in Steel Mandrel - 1/4 to 3/8 in Grip Range - Aluminum - Yellow Paint - Set of 250

Holley - 650 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline 483 in - Duration 279Holley 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