Looks like Detroit Speed has pretty much everything.
I’ve installed hotchkiss springs, koni classic shocks, energy suspension bushings and moog for ball joints and other parts.
I think most like the 1.25” front swaybar and 5/8” rear.
It still rides good, but is tighter then stock.
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1979 Firebird Trans Am 301/4spd (Now 428)
1977 Firebird Formula 400/Auto
2007 Grand Prix GXP 5.3L
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