Request to Combine 99-04 Mustang GT and Mach 1 Spec Lines
#25804 from David Mead · Recommended to the Board · Minutes (2019-01 Fastrack)
Thank you for your request. Combining the spec lines is not recommended. However,
effective 1/1/19, please make the following changes to T3:
Ford Mustang Mach I (03-04)
Add to Notes:
“Steeda 555-2002 rear control arms are allowed. Max spring rate of 900 lbs/in allowed front
and rear. Springs may be mounted as a “coil over” configuration. Steeda front sway bar 555-
1094 allowed. Energy suspension 4.3140G control arm bushings permitted.”