1pc GM A-Body Double Side Brake & Fuel Line Clamp-1/4"-3/8" Line Clamp. 5/8" Wide ." Hole, Silver Zinc Finish, 1pc. This is the 1/4"-3/8" Double Side Brake & Fuel Line clamp that is used on all gm cars and trucks from 1960-1987 to attach Line to Rear Shock Tower. is Silver in color. Replacement for: All Cars 1964-72 , , , , Elcamino 1970-72 , 1969-72 1967-69 , , 66-74 1970-78 / Trans / 1973-77 A-body , , , all Full Size Cars from 66-74 just about Any Car