TRAILING ARM BUSHINGS ONLY-POLYuse your old outer steel shells-SEE INFO Polyurethane (use your old outer steel shells).#51 IN PICTUREWe actually recommend the SUS539 Polyurethane Bushings w/Steel Outer sleeves-they are easier to install, but cost a little more-but save time & work! MakeCHEV ModelCORVETTE Year1963-1982 Item#SUS538 Instructions / Core Return FormClick Here Price$0.00SET Core Charge$0.00 QtyAdd