Dana 44 4.09 Up Differential Case Fits 1970 to 1975 CJ with 4.09 or higher gear ratio;Fits 1986 CJ7 with 4.09 or 4.56 gear ratio;Fits 1974 to 1979 SJ and J-Series with 4.09 or 4.88 gear ratio;Fits 1967 to 1973 J-Series Wagoneer and Gladiator with 3.92 or 4.88 gear ratio;Dana 44 rear axle;Standard differential;Includes shims, gasket and ring gear bolts JEEP CJ5 CJ6 CJ7 J10 J20 WAGONEER BASE CUSTOM 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1986 2.2L (134) F-HEAD Hurricane 2.5L (150) 3.7L Dauntless (225) 3.8L (232) 4.2L (258) 5.9L (360) 5L (304) 6.6L (401) GAS Crown Automotive Crown Automotive Dana 44 4.09 Up Differential Case - J8129245 J8129245 Differentials