composite x shifter
They all have optional models that can be used on 4spd GM transmissions. Although they will not directly bolt in. They are universal models for custom installations.
If its setup for a TH400 then it won't work with a 4 speed tranny unless it has the capability to swap gate plates.
I run a B&M Pro Stick and you can swap the gate plates out to control a 4 speed auto or a forward TH350/TH400 or what I have in mine which is a Reverse Manual TH400.
You can make a 3 speed gate plate work with a 4 speed auto but 1st gear will be non selectable, I ran my old 60E with my Pro Stick and a TH350 forward gate plate for awhile before I installed the TH400.
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