A lot more choices then one part number. I'm running a 2" drop on my 68 Firebird currently. (1" in the rear using their leafs)
They will ask you questions like: What engine are you running?, Whether you have PS, PB or AC, what kind of ride quality do you want, etc. They've purchased the stock blueprints for our Firebirds from GM so they can do the stock equivalent also.
