1971 Pontiac Lemans GTO 350cid 400cid 4bbl 3/8" Tube Pump To Carburetor Line 1pc Stainless Steel These preformed engine lines will replace the original pump to carburetor fuel lines and run from the fuel pump to the carburetor following factory routing. Our replacement lines are engineered from factory original lines, CNC manufactured for precision, and include the correct fittings and flares (where equipped).