Features Barrels: 4 CFM: 600 Choke: Electric Circuit: 2 Emission Code: 3 High Speed Air Bleed: 28:28 Idle Air Bleed Size: 70; 70 Primary Main Jet: 70 Primary Power Valve: 6.5 Primary Pump Nozzle Size: 31 Primary Venturii Size: 1.300" Secondary Main Jet: 74 Secondary Venturii Size: 1.300" Throttle Bore: 1 11/16" Replacement for Mercury Commuter, Montclair, Monterey, Brougham, Marquis, Colony Park, Marauder, Park Lane, Cyclone, Cougar, Villager, Voyager Replacement for Ford Thunderbird, Mustang, Country, LTD, Custom, Galaxie, Fairlane, Ranch Wagon Replacement for Chevrolet C10, K10, K20, Malibu, Camaro, Suburban, Chevelle, Panel, Impala, Corvette, Biscayne, Caprice, El Camino, Bel Air Replacement for Dodge 383/6.3L V8 1966-1969 Charger, 1967-1969 Coronet, 1967-1969 Monaco, 1968-1969 Polara, 1968 Dart Replacement for Chrysler 383/6.3L V8 1967-1969 Town & Country, 1968-1969 Newport Replacement for American Motors Ambassador 290, 390, 343, AMX 390, Rebel 390, Rebel 343, Javelin 390, Rambler 343, Rambler 390 Replacement for Oldsmobile utlass 350, Delta 88 350, F85 350, Vista Cruiser 350, Cutlass Supreme 350, Delmont 88 350 Replacement for Pontiac Firebird 350, Tempest 350, Acadian 350, Beaumont 350 Replacement for Buick Special 350, Skylark 350, GS 350 350, GS 400 400, Sportwagon 350, Sportwagon 400, Skylark 400, LeSabre 350, Gran Sport 400