Standard Piston & Pin for Select Jeep 71-78 CJS, 72-73 C104, 65-78 SJ, J-Series Crown AutomotiveStandard Piston and Pin for Jeep 72 78 CJ 5 w 3. 8L, 71 78 CJ 5 w 4. 2L, 72 75 CJ 6 w 3. 8L, 71 75 CJ 6 w 4. 2L, 76 78 CJ 7 w 3. 8L, 76 78 CJ 7 w 4. 2L, 72 73 C104 Commando w 4. 2L, 65 78 SJ, J Series w 3. 8L, 71 78 SJ, J Series w 4. 2L Features and Benefits: (6) Required 12 Month Warranty For Models w 3. 8L or 4. 2L Engines Sold Individually Standard Size Use Existing Hardware Details: Material: Aluminum, Steel Finish: Unpainted Hardware Included: