Various Spring Rates SPRING FRONT REAR -------------------------------------------------------- Stock GT 400-500 165-265 Stock Cobra 400 160 Eibach ProKit coupe 460-570 200-250 Eibach ProKit vert 460-570 (1.5") 170-310 Eibach Sport (2") 660 260 FMC "B" 425-530 200-300 FMC "C" 650 200-300 FRPP "R" 700-880 200-260 Global West 800 160 Global West drag 680 ??? Global West comp 1000 ??? Griggs front coil-overs 400 n/a Griggs rear NON-coilover n/a 350 TA Griggs rear coil-overs n/a 225 TA H&R sport 490-575 205-250 H&R sport conv. 490-575 250-285 H&R super sport 600-720 205-250 H&R super sport conv. 700-760 275-300 H&R race 750-850 260-280 H&R super race 950-1050 260-300 Jamex (1.5") 450-550 170-220 MAC 600,680,700,800,925 160,170,190,215 Susp Tech street 725 230 Susp Tech comp 850 280 Steeda sport(1") 650 200-250 Steeda comp/street 700-850 (1.25") ??? Steeda full comp 850-1050 (1.35") ??? Susp Tech street 725 230 Susp Tech comp 850 280 CCM Race 750-850 200-300 CCM HD Race 950-1050 200-300