6L80E trans what shifter?
If your planning on auto only, you can make about anything work, same if you want to to add paddle shifter. Auto & TU/TD shifter, G8 & Caddy's work, just trim on caddy's is nicer.
Problem with G8 and Caddy TU/TD shifter is how tall they are.

Caddy shifter.

G8 install.


May or may not need to modify trans or shifter lever arms to make it fit or work due to difference in trans designs or mounting of shifter.
May or may not need to modify trans or shifter lever arms to make it fit or work due to difference in trans designs or mounting of shifter.




