Std. Piston & Pin for Misc. 2011+ Jeep JK Wrangler & WK Grand Cherokee w/ 3.6L Crown AutomotiveStandard Piston and Pin for 2011 2018 Jeep JK Wrangler and 2011 2015 Jeep WK Grand Cherokee w 3. 6L Engine, 6 Required Features and Benefits: (6) Required 12 Month Warranty For Models w 3. 6L Engine Sold Individually Standard Size Use Existing Hardware Details: Material: Aluminum, Steel Finish: Unpainted Location: Front or Rear Left or Right Hardware Included: Use Existing Hardware Application: 2011 2015 Jeep WK2 Grand Cherokee w 3. 6L Engine None;