Proform Carburetor Main Body Features: High-Flow Main Body Dyno-Proven Horsepower And Torque Gain Adjustable Screw-In Air Bleeds High-Performance Down-Leg Boosters Maximum Air Flow No Air Horn; Choke Tower; Or Choke Control High-Rate Air-Flow Section Design Height: 5.25 Width: 9.00 Length: 13.50 Weight: 6.00 lbs