"Narrow Track" AMC 20 One Piece Axle 7071K RT23007 fits 76-81 CJ7 & 8 or 76-83 CJ5The AMC Model 20 Rear Axle was used in Jeep CJs from 1976 86. The narrow track version was used in all CJ 5s from 1976 83, all CJ 7s from 1976 81, and the 1981 model CJ 8. The wide track version was used in Jeep CJ 7s and CJ 8s from 1982 86. The AMC Model 20 rear axle was also used in full size Jeep Cherokees, Wagoneers, Grand Wagoneers, and J 10 trucks from 1980 86. Kit include's all inner and out seals,stud's,axle shaft's,Timken bearings, and