You are buying one Nice almost NOS condition 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 Chevelle SS EL Camino SS Corvette Nova Camaro Chevelle Impala SS 396 L78 427 454 Chrome Air Cleaner Base for the Holley High Performance 396 427 V/8 4 barrel carburetor. This is not a GM NOS part it is an nice made aftermarket part with the option to cut out for the valve cover hose May also be correct for the Rochester Quadrajet Carter AFB Carburetors see photos and measurements to be sure this part will work on your car no returns. The listed shipping amount includes some of E-Bay 20 % charge ,Pay Pal and handling costs. When you receive this part please contact me if you are unhappy in any way before you leave me a negative feedback so we can work out any problems....Thank You.