The Edelbrock Carburetor Inlet Fittings are accessories which are used to install and tune Edelbrock carburetors. These fittings are manufactured from quality materials to suit your carburetor needs. The fitting is made of brass. The size of the fitting is 5/8-20 and 3/8 with male threads. This fitting can be rotated 360 degrees and allows you to aim your fuel inlet towards the front or rear of the carburetor for clearance under a drop base air cleaner.