1967-72 Chevrolet Chevelle Nova El Camino Dual Feed Holley Fuel Block 1pc This block is used to connect the three pump to carburetor lines to the carburetor. The feed line is 5/8-18 3/8" tube and the carb line is 1/2-20 5/16" tube. This is an exact reproduction of the original in the same material and thickness as the original.
