SVT:
F: 129 lb/in
R: 157 lb/in
ZX3/LX/SE/ZTS:
F: 110 lb/in
R: 117 lb/in
S2: (dampers are stiffer)
F: 97 lb/in
R: 114-117 lb/in
Eibach Pro: 1.5”
F: 137 lb/in
R: 171 lb/in
Eibach Sportline: 2”
F: 131~262 lb/in
R: 102~171 lb/in
Progress: 1.8”
F: 142 lb/in
R: 160 lb/in
Steeda:
F: 136~160 lb/in
R: 190~280 lb/in
Intrax SVT Springs:
F: 225~275 lb/in
R: 275~325 lb/in
H&R Coilovers:
F: 370~460 lb/in
R: 260 lb/in
H&R Race: 2”/1.7”
F: 325 lb/in
R: 375 lb/in
H&R Sports:
F: progressive
R: progressive
Ground Control:
F: 450 lb/in
R: 450 lb/in
Tein S-Tech:
F:157 lbs/in
R:179 lbs/in
Tein H-Tech
F:134 lbs/in
R:162 lbs/in
Tein Coilovers: (this was from another thread so I dont know if its correct)
F: 280-504lb/in
R: 392lb/in
Leda Coilover: (spring rates can be customized to user preference)
F: 460 lb/in
R: 380 lb/in
KW:
F: 333 lbs
R: Progressive
Tanabe GF210 series:
F: 324.1 lb/in (5.8kg/mm)
R: 173.6 lb/in (3.1kg/mm)
Apex: 1.5”
F: 150lb/in
R: 200lb/in
Goldline: 1.5”
F: 140/F
R: 170/R
Dynamic Suspensions: 1.25”
F: 111~160 lb/in
R: 100~280 lb/in
Suspension Techniques: 1.3”
F: 122~135
R: 178
Vogtland
Front: 125/154 progressive
Rear: 165/188 progressive
How spring rates work: http://www.tuninglinx.com/html/a_springs.html





rogressive 
I know the drop is rated at 1.8 inches! Thanks
Linear Mode
