Molded-composite remaining rear upright features integral 1° of outboard toe-in to enhance the rotation of this automobile in corners and avoid suspension system system geometry alterations in severe crashes. Features two roll center jobs on top of the straight back upright. Accommodates small but robust 5x10 ball-bearings for minimized unsprung weight.
moderate rigidity (labeled M) especially optimized for rubber-tire race.
Use with matching right-side back upright 303351. Could possibly be furthermore helpful for foam tires.
