97-04 Wrangler TJ/LJ;97-01 Cherokee XJ;Replaces AX5 transmission, AX15 transmission, NV3550 and Torqueflite 999 transmissions; California Residents: WARNING This kit comes with new transfer case input gear. Uses stock 4WD output shaft. Fits NP231 transfer case only. Transfer cases up to 1994 use a different input gear than the 1995 and later model NP231s. Case length in 4WD transmission only is 23.375 and adapter is 2.5.Image shown for illustration purposes only.