Lower Engine Gasket Set for 75-91 CJs, YJ, XJ, SJ, J-Series w/ 6 Cyl. Engine Crown AutomotiveLower Engine Gasket Set for Jeep 1975 1986 CJ 5, CJ 6, CJ 7, CJ 8, 1975 1986 SJ, J Series w 3. 8L, 4. 2L, 1987 1991 XJ Cherokee w 4. 0L, 1987 1991 YJ Wrangler w 4. 0L, 4. 2L Engines Features and Benefits: 12 Month Warranty Direct Replacement For 3. 8L, 4. 0L or 4. 2L Engines Upper Gaskets Use Existing Hardware Details: Material: Plastic, Rubber, Cork Position: Lower Hardware Included: Use Existing Hardware Interchange: 83505389, 83505389AD, J8133353