Molded-composite back upright features fundamental 0° of outboard toe to boost traction and stop suspension geometry changes in severe crashes. Features two roll center jobs on top of right back upright. Accommodates small but robust 5x10 ball-bearings for minimized unsprung fat.
moderate rigidity (labeled M) particularly optimized for rubber-tire race.
Use on both remaining and right sides connected with vehicle. Are useful for foam tires.
