1964-79 GM (all models) Quadrajet Carburetor to Intake Manifold Mounting Bolts 4pc. Long Bolts have Head Flange and Factory Marking H in a circle with 3 dashes Short TR in with 3 dashes. These are exact to the factory originals and have all the details - they are the correct size and shape with the phosphate plating. This is a exact inline tube reproduction of the original.
