I replaced my TH-350 with another when I burned up the old one. It ended up turning into a long term project (been busy). I'm now missing the shifting linkage (it's a column shifter) piece that pivots on the frame and connects to the transmission. I have no idea where to find this piece. Anyone know where I can purchase a new one. It's for a 1973 Chevy Nova Custom. Thanks for any help.