APR Premium Sound Absorption Muffler 76mm (3") MUH0014 coil springs Barrels 4 Billet Color Red Jones Barrels 4 Billet Color Red Booster Annular Brand Quick Fuel Carburetor Use Performance and Race CFM 750 Choke Electric Circuit 2 Condition New Emission Code 3 Finish Shiny Fuel Gasoline Fuel System Carbureted High Speed Air Bleed 33 Idle Air Bleed Size 71 Marine Use No Material Aluminum Model Super Street Series Primary Main Jet 72 Primary Power Valve 65 Primary Pump Nozzle Size 31 Product Type Carburetor Secondaries Mechanical Secondary Main Jet 80 Supercharged Application No Throttle Bore 1 11 16 inch Warning California Proposition 65 Warranty Limited 90 Day 1 L6 1968 1974 GMC C15 C1500 Suburban 292 4 TIG welding throughout 66") x 169mm (6