OER Parts offers a wide selection of Automatic Trans & Components for your 1970 Plymouth Superbird. OER Parts offers 1970 Plymouth Superbird Complete Transmission, 1970 Plymouth Superbird Cooler Lines, 1970 Plymouth Superbird Dipsticks & Tubes, 1970 Plymouth Superbird Flex Plate, 1970 Plymouth Superbird Gaskets, Seals, Filters & Hardware 1970 Plymouth Superbird Modulator Valves, 1970 Plymouth Superbird Shift Knobs, 1970 Plymouth Superbird Shift Linkage, 1970 Plymouth Superbird Shifters - OE, 1970 Plymouth Superbird Shifters - Performance, 1970 Plymouth Superbird Torque Converter & Covers, 1970 Plymouth Superbird Transmission Pans, and 1970 Plymouth Superbird Vacuum Lines.