Specifications: Auxiliary Venturi:7.3mm Venturi(Choke tube):28mm Main jet:185 Air correction jets:110 Idle jet:120 Needle valve:3.3 Fitment: Carburetor Fits For V8 Chevy big block Mark IV 1970-1972 6.6L/402 Carburetor Fits For V8 Chevy small block Gen I 1967-1973 5.7L/350 Carburetor Fits For V8 Chevy big block Mark IV 1966-1970 6.5L/396 Street Carburetor Fits For V8 Chevy small block Gen I 1966-1969 5.4L/327 Street Carburetor Fits For V8 Chevy big block Mark IV 1966-1969 7.0L/427 Street Carburetor Fits For V8 Chevy big block Mark IV 1970-1973 7.4L/454 Carburetor Fits For V8 Chevy small block Gen I 1970-1973 6.6L/400 .
