The springs are part of the FRPP package on the car:
Ford Racing Handling Pack item# M-2005-FR3
1) Kooks 1 3/4" x 2 1/2" Longtube Headers
2) Kooks 3" X pipe – Note: there is no part number for the specially made 3” catted x-pipe from...
I don't have the car back from Livernois yet, but here's a video they took.
The 2nd shot is a side view where the front cover is visible. The rear...
Claim is they dissipate heat and keep dust off wheels. I can see the latter but on the heat dissipation I questioned their test method.
Had these made for my Bullitt:
Check out this criminal