Stock 99-04 axle, I was going to put this in the CMC car to get to max track width but never got around to it. Comes with Brakes and cut ABS sensors (For Data Aq).
3.27 gears (same ratio that I have run for years)
$400

MM Torque Arm Springs $75/set
These are great if you need more rear spring than your kit comes with, I have 2 sets the light and heavy versions.
Set 1 375-440 lb/in
Set 2 415-515 lb/in

Large sn95 mustang front sway bar
Much stiffer than the stiffest stock SN bar.
Brand new QA1 3/16" wall x 1 1/4" diameter (4130) Chromoly steel for maximum strength and durability.
$175