These spring kits have been designed to lower your Mustang and improve its handling. There will be some deterioration in ride quality.
NOTE: The height on some cars will vary.
| PART NUMBER | MODEL YEAR | AMOUNT LOWERED (V-8) | SPRING RATES (LB./IN.) |
| FRONT | REAR | FRONT | REAR |
| 6 | 1979-04 5 | .875" 1 | .5" 2 | 425/530 | 200/300 |
| 6 | 1979-04 5 | .875" 1 | .5" 2 | 650 | 200/300 |
| 3,6 | 1979-04 5 | 1.2" | 1.0" | 460/570 | 170/310 |
| 4,6 | 1979-04 5 | 1.2" | 1.2" | 500/570 | 170/310 |
NOTES:
1 1994-04 models – 1-1/8"
2 1994-04 models – 3/4"
3 Coupe only
4 Convertible only
5 Will not fit 1999-01 Cobra
6 Due to vehicle assembly tolerances these specifications may vary. 
