Detroit Speed's tubular lower control arms replace stock lower control arms on 1970-1981 F-Body platforms. Features include a robust tubular design with gussets and cross brace, Delrin™ bushings with steel housings and crush tubes, and a black powder coat finish. The geometry features include additional positive caster and a stock location spring pocket.These tubular lower control arms are shipped complete with lower ball joints, steering stops, jounce bumpers, and are ready to install on your car. The lower control arms have CNC machined tube ends for precision fits. The arms are then TIG welded in a fixture for accuracy and repeatability of geometry.