Some Sahara's came with 4.56's. Maybe search junkyards for one with that ratio and take the carrier out of it. Just a thought.
EDIT: Just kidding. I was thinking of the 3.55. The 4.56 ratio was an option on some 4 cyl autos. Not sure what years though.
1998 TJ, 2.5" OME springs, OME N66 & N67 Sport Nitro Shocks, 33x12.5 Goodyear MTR's, Metalcloak front trackbar, JKS rear trackbar, Metalcloak aluminum front arched fenders, Metalcloak aluminum front bumper, thedirtworx tire carrier, Warn xd9000i w/ synthetic line and TRE Safety Thimble II, Monstalined interior