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This is a listing of some of the different spring rates collected from the NASIOC.com Bulletin Board and most recently a spate of updates courtesy of Mr. Avery. If you have any to suggest or have questions, please feel free to email me. All spring rates are listed in pounds per inch. Any spring rate with a "range" of rates is a progressive-wound spring.

Spring Front Rate Rear Rate Manufacturer's Website
Stock 1998-2001 2.5RS 157 149 Subaru/FHI
Stock 2002 2.5RS (MT/AT) 149/158 117/129 Subaru/FHI
Stock 2002 WRX Sedan (MT/AT) 163/163 119/132 Subaru/FHI
Stock 2002 WRX Wagon (MT/AT) 163/163 132/144 Subaru/FHI
AVO Sport EVO 250 200 AVO
GDA STi Sport Springs 200 185 Subaru/FHI
2004 USDM STi 224 194 Subaru/FHI
2002-2003 STi "Pink" 215 190 Subaru/FHI
2004 STi "Pink" 257 217 Subaru/FHI
SPT/STi 217 190 Subaru/FHI
Prodrive P1 215 195 Prodrive
Progress Technology (WRX) 210 150
Eibach 171 91-188 Eibach
ProKit (2002-2003 WRX Wagon) 171 160 Eibach
5Zigen 169.3-225.7 79-180.6 5Zigen
Tein Soft 67.2-179.18 61.59-179.18 Tein
Tein Medium 67.2-235.18 61.59-218.38 Tein
Tein Hard 307.98 279.98 Tein
HTech (2002-2003 WRX) 196 140 Tein
STech (2002-2003 WRX) 218 157 Tein
HTech (2004 WRX And STi) 229 196 Tein
STech (2004 WRX And STi) 252 219 Tein
H and R Sport 196.25-204.1 186.25-193.7 H and R
STi Version 4 196 174 Subaru Technica Inc.
STi Version 5 224 185 Subaru Technica Inc.
STi Version 6 237 195 Subaru Technica Inc.
STi Version 6 Tarmac/Gymkhana (Autocross) 286 274 Subaru Technica Inc.
STi Spec C/Type RA 224 194 Subaru Technica Inc.
DMS 40mm Street/Gold 225 180 DMS
DMS 50mm Rally 275 225 DMS
DMS Tarmac 700 650 DMS
DMS 60mm Super Strut 260 200 DMS
Espelier GT (2004) 280 230
GAB Revolutions II 335 280 GAB Japan
Ground Control (2004 STi) 300 300
Whiteline Progressive Lowering 190 150-170 Whiteline
RSR Down 216 177 RSR
RSR Ti2000 (2004 STi) 268 194 RSR
DF210 (2002-2003 WRX) 196 146 Tanabe
GF210 (2002-2003 WRX) 168 157 Tanabe
GF210 (2004 STi) 241 224 Tanabe
Street (2002-2003 WRX) 230 147 Hotchkis


Standard Disclaimer: Modification of your car involves risks and may void your warranty. I can not be held responsible for the modifications you consciously decide to undertake nor for the results of doing so.



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