David's Mustang Suspension Spring Reference

Compiled using information from various sources on the 'Net and elsewhere. I was given the majority of
this as an Excel spreadsheet, author unknown. If you know who the original source is, please drop me an
email so that I can give proper credit here. Thanks.

Spring Make / Model Front Rate Rear Rate
1999 Cobra 500 470
2000 Cobra "R" 800 750
2001 Cobra 500 470
H&R, 99-01 cobra w/IRS
(except convertible)
700-760 685 (!)
H&R, 99-01 cobra w/IRS
(convertible, Super Sport)
700-760 685 (!)
H&R, 99-01 cobra w/IRS
(convertible, Race)
750-850 770 (!)
Stock GT 400-500 165-265
Stock 94-95 Cobra 400 160
Stock 96-98 Cobra 400-505 165-265
Eibach ProKit cpe.1.5" 460-570 200-250
Eibach ProKit vert.1.5" 460-570 170-310
Eibach Sport 660 260
Eibach Race 700-850 200-260
Ford Motorsport "B" (#M5300B) 425-530 200-300
Ford Motorsport "C" (#M5300C) 650 200-300
FRPP "R" 700-850 200-260
H&R Sport 1.5" 500-575 250-285
H&R Supersport 1.5" 700-760 275-300
H&R Race 750 265
H&R Superrace 1020 300
Suspension Tech Street 725 230
Suspension Tech Comp 850 280
Steeda Sport 1.25" 650 200-250
Steeda Comp/St 1.25" 700-850 250
Steeda Full Comp 1.35" 850-1050 ???
Global West 1.0" 800 160
Global West Drag 1.0". 680 160
Global West Comp 1.0" 1000 160
Griggs coil-overs 350 to 500 +50.175 no TA
Griggs coil-overs 225 w TA + panhard
Dech Speeddrive 1.5" 1000-1200 210-280
Jamex 1.5" 450-550 170-220
MAC 600,680,700,

800,925

160,170,190,215
Mac progressives 450-520 200-230
Saleen (Eibach ProKit?) 460-570 200-250
Kenny Brown 1.5" 650 ???
Roush (FRPP "R"?) ??? ???
2001 Ford Mustang Bullitt edition 600 250

Report any additions, corrections or deletions to the david@tennesspeed.net