They are correct that the early shifter will not fit the later trans. BUT. the later Dual Gate shifter will fit the 1963-4 console with only minor modifications and using the dual gate cable, cable bracket and shift arm will work on any of the later transmissions. I installed a 1967 shifter in my 1964 GP with T-350 using all the parts from a 1967 GTO including the neutral safety switch.
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