G/2 CJ 4.56 Performance Ring and Pinion Kit Fits 1976 to 1986 CJ;With Dana 30 front axle and AMC 20 rear axle;Includes G/2 front and rear ring and pinions;Includes G/2 front and rear master installation kits;Front and/or rear carriers may be required 4Wheel Drive Hardware 4WD G/2 CJ 4.56 Performance Ring and Pinion Kit - 456CJAMC20 456CJAMC20 Ring and Pinions