Flywheel Ring Gear 1972-06 Jeep CJs, YJ, TJ, XJ, MJ, SJ, J-Series w/ 4.0L, 4.2L Crown AutomotiveFlywheel Ring Gear for 1972 1986 Jeep CJ 5, CJ 6, CJ 7, CJ 8 w 4. 2L Engine, 1987 2006 Jeep YJ, TJ Wrangler w 4. 0L, 4. 2L Engines, 1987 2001 XJ Cherokee, MJ Comanche w 4. 0L Engine, 1972 1986 SJ, J Series w 4. 2L Engine, 164 Teeth Features and Benefits: 12 Month Warranty 164 Teeth Direct Replacement For Models w 4. 0L or 4. 2L Engines Use Existing Hardware Details: Material: Steel Finish: Unpainted Hardware Included: Use Existing Hardware