They are all the same (fit-wise - there are some differences between years dating back to the 1967 Barracudas) and none will fit into a standard dash. Your dash could be cut to fit, but nobody I know of has a template or has tried it.
Looks like i will just wait for my time to get the guages then.Jim_Lusk said:The cluster won't look right if the radio/heater/AC controls are cut off and you try to install what's left next to the standard center bezel. The parts are out there to do the conversion right, but it can get quite expensive.