Edited: 10/16/2007 5:19:12 PM by bagged85
the tbird hubs are a 5x 4.25 but would work to, they are the same as cobras.
http://www.mustangsunlimited.com/itemdy00.asp?T1=M5970A+01
IRS KNUCKLES PAIR KIT CAR/STREET ROD (FRPP) Ford Racing IRS Knuckles, Pair for Kit Car/Street Rod.
Knuckles for use in kit cars & street rods with IRS systems. Includes wheel bearings, #M1215A. These were offered as original equipment on 1989-1997 Thunderbird & 1993-1998 Lincoln Mark VIII. Kit cars & street rods, this should be used with IRS Hub #M1109A, see Related Parts below.
Related
Parts:-Ford Racing IRS Wheel Hub, #M1109A-Ford Racing IRS Bearing, #M1215A (For Replacement)