Add it yourself...
Spring/Shock Replacementhttp://www.mkiiisupra.net/bbs/showpost.php?p=11845
Swap rear shockshttp://www.mkivsupra.net/vbb/showthread.php?t=52789
Knocking and creaking suspensionhttp://www.mkivsupra.net/vbb/showthread.php?t=35927
Supra Strut Rodhttp://www.tscperformance.com/supra_strutrod.html
Supra Suspensionhttp://www.tscperformance.com/supra_suspension.html
Supra Rear Bushinghttp://www.tscperformance.com/supra_rearbushing.html
Supra Rear AGXhttp://www.tscperformance.com/supra_rearagx.html
Swaybar Installhttp://www.cygnusx1.net/Supra/TechTips/swaybar.aspx
Supra Front Struthttp://www.tscperformance.com/supra_frontstrut.htm
more . . .
Swap the PAS pumphttp://www.mkivsupra.net/vbb/showthread.php?t=71981
Lock Stop Replacementhttp://www.mkiiisupra.net/bbs/showpost.php?p=11846
The Car Steering Biblehttp://www.carbibles.com/steering_bible.html