Exhaust Manifold for Select 72-79 Jeep CJ's SJ, J-Series w/ 3.8L or 4.2L Engines Crown AutomotiveExhaust Manifold for Select 1972 1979 Jeep CJ 5, CJ 6, CJ 7 w 3. 8L or 4. 2L Engines and Select 1972 1979 SJ, J Series w 4. 2L Engines Features and Benefits: 12 Month Warranty Direct Replacement For Models w 3. 8L or 4. 2L Engines Use Existing Hardware Details: Material: Metal Finish: Unpainted Hardware Included: Use Existing Hardware Interchange: J8125075 Application: 1972 1973 Jeep J Series J 100 w 4. 2L (6 258) Engine w o Emissions Pump None; 1972