First I have a brand new DSE bracket you can have it for 25 bucks. I only used it for Moc up.
that said ... i used this..
https://www.summitracing.com/parts/HLY-319-200
It worked flawlessly and without the problems you see in reviews about the Mc cloyd (see youtube for one example)
https://www.pro-touring.com/threads/...g-for-feedback
Footnote.. if you going to do this mod I highly recommend you mocking it all up with the petals and bracket out of the car.. get all your geometry set.. then weld it all up.. (bracket to firewall and mounting tab on clutch petal)