it will fit, but it will stick out a good 1.5-2 inches on each side. im assuming you want to do 5 lug conversion? go get a rear end off of a 94-98 mustang. it should work. i used a 95 rear in mines.
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Mac Long Tubes
O/R hpipe
FlowMasters
SN95 5 Lug Conversion
2001 GT Rims
Motive 4:10's
Mac U/L control arms
Ford Racing B Springs
TransGo Shift KIt