ANY AUTOCROSS RACERS

There is so many choices .4 link , 3 link suspensions from companies like rms , magnum force etc .. Hotchkiss has road racing leaf springs that work pretty well. There is some guys running composite leaf springs on pro touring mopar . You should check that forum out . There is some good information on there . Also there is some very knowledgeable guys on here that know their stuff , hopefully the will chime in.