[67Lemons]

I’m replacing the springs in my 72 GTO and don’t want the car to raise vs where it sits today so figured that I should go for at least a 1” lowering spring. I did new Bilstein’s last year and the ride is pretty terrible so I figured I should replace the old worn stock springs and go through my bushings. I’m looking at UMI springs because I know they offer a spring package with Bilstein shocks (supposedly special valves for them which I don’t have) and they offer a -1” or -2”, I automatically assume -1” but throwing it out there for other suggestions, yes or no, different spring mfr?