john deer green

Hey guys im building my buddy a rear bumper for his zj this weekend and I was wounder how yall are mounting them up. I havnt done much with the zj I just got done with my rear on an xj. Just wanted to know if there was anything special when it comes to tieing it into the unibody rail. Im trying to get everything planned out so i can have a perrty good design ready befor its time to acualy start fabbing it up. Thanks