This is a new brass adapter fitting that screws into many of the Quadrajet inlet fittings and allows you to use a 5/16 rubber hose. Fitting threads at the screw in part are 5/8-18 thread and the hose barb end is 5/16.
ROCHESTER QUADRAJET CARBURETOR INLET FITTING W/GASKET 7/8-20 TO 5/16 HOSE
ROCHESTER QUADRAJET CARBURETOR INLET FITTING W/GASKET 1 INCH TO 5/16 HOSE
ROCHESTER QUADRAJET CARBURETOR INLET FITTING GASKET FILTER 7/8-20 SHORT 3/8
ROCHESTER QUADRAJET CARBURETOR INLET FITTING RUBBER HOSE ADAPTER 5/16 HOSE PAIR
12 Pack of GF427 Rochester Quadrajet Carburetor Short Fuel Inlet Filter 68-75 GM
ROCHESTER QUADRAJET CARBURETOR FUEL INLET FITTING FILTER SPRING SIDE FEED CHEVY
