Molded-composite right rear upright features integrated 1° of outboard toe-in to boost the rotation of the car in corners and steer clear of suspension system geometry changes in severe crashes. Features two roll center jobs at the top associated with rear upright. Accommodates small but robust 5x10 ball-bearings for minimized unsprung weight.
tough rigidity (labeled H) particularly optimized for foam-tire race.
utilize with matching left-side back upright 303363. May be also used for rubber tires.