Introduction A carburetor is a device to mix air & fuel for internal combustion engines in the proper ratio for combustion. The fuel & air mixture is too rich if it has an excess of fuel, while too lean if there is not enough. Therefore, to make sure the proper engine function & have a nice driving experience, a good quality carburetor is highly recommended. Application Compatible for CHEVROLET 1970-1972 V8 compatible for Chevy big block Mark IV 6.6L/402 compatible for CHEVROLET 1967-1973 V8 compatible for Chevy small block Gen I 5.7L/350 compatible for CHEVROLET 1966-1970 V8 compatible for Chevy big block Mark IV 6.5L/396 Street compatible for CHEVROLET 1966-1969 V8 compatible for Chevy small block Gen I 5.4L/327 Street compatible for CHEVROLET 1966-1969 V8 compatible for Chevy big block Mark IV 7.0L/427 Street compatible for CHEVROLET 1970-1973 V8 compatible for Chevy big block Mark IV 7.4L/454 compatible for CHEVROLET 1970-1973 V8 compatible for Chevy small block Gen I 6.6L/400...