Subaru Spring Comparison
2004
Manufacture Model Price Drop Front (in) Drop Rear (in) Rate Front Rate Rear Note
Stock Subaru WRX Stock 163 132 02-
Subaru STi Stock 200 185 02-
STi GC8 Lowering Springs 237 195 93-01
Aftermarket STi Lowering Springs 320 0.8 0.8 251 212 04+
Tanabe GF 210 Springs (TGF092) 198[1] 1.3 1 240 223 04+
Eibach Pro Kit (7714.140) 247[2] 1.3 1 171 160 04+
Progress Sport Springs 172[3] 1.8 1.5   04+
Prodrive P1 299 1.5 1.5 215 195
H&R 259[4] 1.5 1.4 196.25-204.1 186.25-193.7
Tein S.Tech Springs 175[5] 2.4 1.3 240 207 04+
RS-R Down Springs 195 1.8 1.2 216 177
Perrin Lowering Springs 224 1.6 1.4
1 kg/mm = 55.88 lb/in
1 N/mm = 5.588 lb/in
XX kg/mm XXX lb/in
4 223.52
X N/mm XXX lb/in
38 212.344
2002-2003
Source Description Front Weight (lb) Rear Weight (lb) Total Weight (lb) Front Weight Bias Rear Weight Bias Just Another Ratio Front / Rear Balance Linear Comments
Road&Track Stock Weight Distribution w/ 180 lb Driver 2019 1291 3310 61.0% 39.0% 36.1% 56.4%
Source Description Front Spring (lb/in) Rear Spring (lb/in) Front Spring (kgf/mm) Rear Spring (kgf/mm) Front Drop (in) Rear Drop (in) Front Spring Increase Rear Spring Increase Front / Rear Balance Front / Rear Balance Linear Comments
Subaru Stock WRX MT Sedan 163 119 2.91 2.13 0.0 0.0 #VALUE! #DIV/0! 27.0% 37.0% n
Subaru WRX Sedan Performance Spring Set - Blue - Eibach 193 161 3.45 2.88 1.4 1.2 #VALUE! #DIV/0! 16.6% 19.9% y?
Subaru WRX Performance Suspension Kit (Sti) 217 191 3.88 3.41 0.0 0.0 #VALUE! #DIV/0! 12.0% 13.6%
Subaru STi Stock 188 173 3.36 3.09 0.0 0.0 #VALUE! #DIV/0! 8.0% 8.7% n
Gruppe-S Sti Pink 200 185 3.57 3.30 1.0 1.0 #VALUE! #DIV/0! 7.5% 8.1%
rallispec.com Sti Lowering Springs 200 185 3.57 3.30 ~.79" ~.79" #VALUE! #DIV/0! 7.5% 8.1%
Ravensblade GDA Sti Sport Springs 200 185 3.57 3.30 #VALUE! #DIV/0! 7.5% 8.1%
MauroMotorsports SPT/Sti (Black?) (RA?) (V7?) 217 190 3.88 3.39 0.75 0.75 #VALUE! #DIV/0! 12.4% 14.2%
Ravensblade STi Version 4 196 174 3.50 3.11 1.2 1.2 #VALUE! #DIV/0! 11.2% 12.6%
Ravensblade STi Version 5 224 185 4.00 3.30 #VALUE! #DIV/0! 17.4% 21.1%
Ravensblade STi Version 6 237 195 4.23 3.48 #VALUE! #DIV/0! 17.7% 21.5%
Ravensblade STi Version 6 Tarmac/Gymkhana/Autocross 286 274 5.11 4.89 0? 0? #VALUE! #DIV/0! 4.2% 4.4% Last of the "V" designations.  V7 or V8 is slang for New Age
Ravensblade Sti Tarmac 285 276 5.09 4.93 1.2 1.2 #VALUE! #DIV/0! 3.2% 3.3% Last of the "V" designations.  V7 or V8 is slang for New Age
subaru-sti.co.jp GDB C Type Sti? Linear? No? 257 217 4.59 3.88 0.8 0.8 #VALUE! #DIV/0! 15.6% 18.4% Only for MY04? (rear strut top difference)
? Sti Adjustable Struts w/ 'New' Springs (fit MY04?) 252 217 4.50 3.88 #VALUE! #DIV/0! 13.9% 16.1%
Sti Pink (MY04) 257 217 4.59 3.88 #VALUE! #DIV/0! 15.6% 18.4%
rallispec.com Sti Rev A/B Lowering Springs 200 185 3.57 3.30 0.79 1.18 #VALUE! #DIV/0! 7.5% 8.1%
rallispec.com Sti Rev C Lowering Springs 257 217 4.59 3.88 0.79 0.79 #VALUE! #DIV/0! 15.6% 18.4%
Ravensblade Eibach 171 91-188 3.05 #VALUE! 1.3 1.0 #VALUE!
Gruppe-S Eibach Pro-kit (WRX) 171 160 3.05 2.86 1.3 1.0 #VALUE! #DIV/0! 6.4% 6.9% One of these Eibachs is linear?
Gruppe-S Eibach Pro-kit (2.5RS) 165 140 2.95 2.50 1.0 1.2 #VALUE! #DIV/0! 15.2% 17.9% One of these Eibachs is linear?
H&R 0.00 0.00 1.5 1.4 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
Hotchkis 230 146 4.11 2.61 1.5 0.75 #VALUE! #DIV/0! 36.5% 57.5% n
MauroMotorsports Intrax 0.00 0.00 1.5 1.5 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
xcelleration MRT 0.00 0.00 1.0 1.0 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
xcelleration MRT 0.00 0.00 1.5 1.0 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
Ravensblade Prodrive P1 215 195 3.84 3.48 #VALUE! #DIV/0! 9.3% 10.3%
MachV Prodrive 212 155 3.79 2.77 1.5 1.0 #VALUE! #DIV/0! 26.9% 36.8%
perrinperformance.com Perrin 0.00 0.00 1.9 1.5 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
Progress 0.00 0.00 1.8 1.5 #VALUE! #DIV/0! #DIV/0! #DIV/0! n
Gruppe-S RS-R Down springs (00+) 216 177 3.86 3.16 1.8 1.2 #VALUE! #DIV/0! 18.1% 22.0%
Gruppe-S Tein S. Tech (sedan) 218 157 3.89 2.80 2.0 0.7 #VALUE! #DIV/0! 28.0% 38.9% n
Gruppe-S Tein S. Tech (wagon) 241 162 4.30 2.89 1.6 1.0 #VALUE! #DIV/0! 32.8% 48.8% n
Gruppe-S Tanabe GF 210 (MY04) 241 224 4.30 4.00 1.3 1.0 #VALUE! #DIV/0! 7.1% 7.6% n
Whiteline Whiteline Control 163-222 106-176 #VALUE! n
Whiteline Whiteline Flatout 163-222 106-176 #VALUE! n
Ground Control Recommended with AGX 350 250 6.25 4.46 1.4 1.0 #VALUE! #DIV/0! 28.6% 40.0%
Gary Sheehan 750 650 13.40 11.60 #VALUE! #DIV/0! 13.4% 15.5%
KC (wagon) 448 560 8.00 10.00 #VALUE! #DIV/0! -25.0% -20.0%
Contributors
Ron Adams
Slatt On NASIOC
[1]
eclip5e:
$198 - http://www.optauto.com/webstore/product_information.asp?number=TNB-TGF092&variation=&aitem=14&mitem=22&back=yes&dept=165
$219 - Gruppe-s
[2]
eclip5e:
$247 - http://www.optauto.com/webstore/product_information.asp?number=EIB-7714&variation=&aitem=2&mitem=22&back=yes&dept=165
[3]
eclip5e:
$172 - http://www.optauto.com/webstore/product_information.asp?number=PRG-402311&variation=&aitem=11&mitem=22&back=yes&dept=165
[4]
eclip5e:
$259 - Scooby Tuner.com
[5]
eclip5e:
$175 - Gruppe-s