When Removing the VVT functionality you need to swap the VVT timing cover with built-in cam phaser for any stock Gen 3 timing cover like this one particular. Other rectangular port six.0 engines you may score in the junkyard on your 6.0 LS Construct involve the L76 aluminum block present https://maps.app.goo.gl/jEGQ2yFCxab6AzND6