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Transmission Cooling Lines take a beating from time and elements, they can be changed in your garage, but don't forget to have line wrenches, a catch pan and more transmission fluid on hand.
1970-1974 Tin Bundy Welded (TBW) transmission lines are made to factory correct bend specifications for your T350 or T400 automatic transmission. Fits Corvettes with 350 engines with automatic transmissions and using the short fuel pump.
These are the lines that go from the radiator to the transmission to circulate transmission fluid to keep your transmission cool and functioning properly.