Standard Differential Case, 2.75 to 3.54 Ratio, Dana 30, 1972-1983 CJ5, 1972-1975 CJ5, 1976-1986 CJ7, 1981-1986 CJ8, 1984-1991 Cherokee, 1987-1995 Wrangler, 1992-2001 Cherokee, 1993-1998 Cherokee, 1997-2011 Wrangler