Home/1996-04 Mustang IRS Parts WMS IRS Fix kit, 1999-04 Cobra $349.89 Ford Performance IRS Diff. Girdle, 1999-04 Mustang Cobra $472.34 Steeda IRS Differential cover brace, 99-04 Cobra $258.99 Maximum Motorsports IRS, urethane rear sway bar bushings $21.23 Ford Performance IRS 8.8 gear install kit - shims, seal, nut, bolts. Reg. $79.41 NOW! $36.86 Maximum Motorsports Rear coil over kit,w/springs, for Koni shock, 99-04 IRS $678.10 Maximum Motorsports IRS Low profile subframe mounting bolt kit $21.22 Steeda Rear Steer Kit 1999-04 Cobra Reg. $248.90 NOW! $195.00 Maximum Motorsports IRS Swaybar Endlink Kit, 1999-04 Cobra $120.66 Ford Performance 1999-04 Cobra IRS Bearing $246.75 Maximum Motorsports Bushing removal tool, required for IRSB48 install $32.63 Maximum Motorsports subframe bushing removal tool $35.45 Maximum Motorsports Rear Spring Isolators for IRS, set of 4 $70.96 Donít see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.