Molded-composite straight back upright features incorporated 1° of outboard toe-in to enhance the rotation associated with car in corners and prevent suspension system system geometry changes in severe crashes. Features two roll center jobs towards the top connected with right back upright. Accommodates tiny but robust 5x10 ball-bearings for minimized unsprung fat.
tough rigidity (labeled H) particularly optimized for foam-tire battle.
utilize with matching left-side back upright 303363. Are furthermore employed for plastic tires.