I'm posting in oem and advanced because anyone who has ever broke a u joint needs to do this simple mod. If you haven't broken one and you're lifted on big tires you'll break one eventually. With a 5/16 drill and a couple of Ford u bolts I don't have to worry about having to tow my jeep in the event the u joint breaks and a strap bolt breaks off inside the yoke (last time I had to get a new yoke cause I couldn't extract the bolt) simply drill out the 4 holes with a 5/16 and strap that sucker in. Is also like to say my new ball joint press made changing u joints a snap, it was only 60$ at harbor freight. Great buy.