Flywheel Ring Gear for Select 65-71 Jeep CJs, SJ, J-Series w/ 3.8L, 4.2L Engines Crown AutomotiveFlywheel Ring Gear for Jeep 1971 CJ 5, CJ 6 w 4. 2L, 1965 1971 SJ, J Series w 3. 8L, 1971 1971 SJ, J Series w 4. 2L Engine, 153 Teeth, 11 3 4 inch Inside Diameter Features and Benefits: 12 Month Warranty 153 Teeth Direct Replacement For Models w 3. 8L or 4. 2L Engines Use Existing Hardware Details: Material: Metal Finish: Unpainted Hardware Included: Use Existing Hardware Application: 1965 1971 Jeep J Series J 100 w 3. 8L (6 232) Engine None; 1965