Our tubular rear control arms are a great upgrade for a basic 4-link rear end. They firm up the ride and improve straight line launch. All of the arms are made of DOM tubing and have polyurethane bushings preinstalled. The arms come in gloss black powder coat and include all hardware necessary for installation. Applications: -For use with 3-link and 4-link suspensions. Note: - These arms do not have spring perches on them.