Ring & Pinion Kit for Select Jeep Vehicles w/ Dana 30 Front Axle, 4.88 Ratio Crown AutomotiveRing and Pinion Kit Jeep 1972 1986 CJ 5, CJ 6, CJ 7, CJ 8, 1972 1973 C104 Commando, 1971 1973 SJ, J Series, All w Dana 30 Front Axle, 1966 1971 C101 Commando w Dana 30 Rear Axle, 4. 88 Ratio Features and Benefits: 12 Month Warranty 4. 88 Ratio (39 8) Direct Replacement For Models w Dana 30 Front Axle Includes Ring and Pinion, Pinion Bearings, Ring Gear Bolts, Pinion Shims, Pinion Baffle, Differential Shims, Pinion Seal, Pinion Washer, Differential