Get the ingalls extreme adjustable anchor bolts, cheapest place I've found being www.groupbuycenter.com, vender: coximport. Get the $25 ingalls extreme rear kit instead of the $15 dollar one if you do anything besides drive your car in a straight line, http://forums.2gnt.com/dcboard.php?az=show_mesg&forum=6&topic_id=18406&mesg_id=18406&listing_type=search .