Fuel tank Sender: 65-67 Chevelle, Bel Air Paris, El Camino ++ GTO / LeMans (3/8) WITH RETURN LINECALL FIRST RARE AS anything.. CA emissions cars only. WITH RETURN PIPE. SOLD 2 in a decade. NOT KEPT everyday now. This is a correct 3 8 line Fuel Tank Sender Unit as shown for the 65 67 GTO Le Mans & Chevelle series. IT DOES have a return pipe. Fits the following US produced Vehicles. 1967 Buick Skylark All 1967 Chevrolet Chevelle All 1967 Chevrolet El Camino All 1967 Oldsmobile Cutlass All 1967 Pontiac GTO All 1966 Buick Skylark All 1966 Chevrolet