[Vehicle Suitability-1]: Compatible with Chevrolet 1970-1972 V8 Large Capacity Mark IV 6.6L (402 Cu), 1967-1973 V8 Small Capacity Gen I 5.7L (350 Cu), 1966-1970 V8 Large Capacity Mark IV 6.5L/396 Street, 1966-1969 V8 Small Capacity Gen I 5. 4L(327 Cu) Street, 1966-1969 V8 big block Mark IV 7.0L/427 Street, 1970-1973 V8 big block Mark IV 7.4L(454 Cu), 1970-1973 V8 small block Gen I 6.6L(400 Cu )
[Vehicle Suitability-2]: Compatible with the following vehicles: GMC 1967-1968 V8 Chevrolet small block Gen I 5.4L (327 Cu), 1968-1969 V8 Chevrolet big block Mark IV 6.5L (396 Cu), 1970-1973 V8 Chevrolet big block Mark IV 7.4L (454 Cu), 1971-1972 V8 Chevrolet Large Engine Block Mark IV 6.6L (402 Cu)
[Applicability]: Compatible with Chevrolet small block and large block 327-454 Cu, GMC small block and large block 327-454 Cu
【Carburetor Features】 Replacement For Rochester QUADRAJET 4MV 1901-GG; Vacuum Secondary; range anywhere in between 600 and 800 CFM. Most are rated 750 CFM