SuperPro 2015 Subaru WRX Limited Front Lower Inner Rearward DuroBall Control Arm Bushing Kit +Caster

Control arm bushings form the vital pivot and link between all core suspension components. SuperPro increases the performance and precision over traditional elastomer bushings with the compound DuroBall bushing assembly. Using an isolated spherical bearing encased in polyurethane provides the precision and articulation of a bearing design with the NVH mitigation of SuperPro's bespoke polyurethane compositions SuperPro's 'offset' bushing options introduce additional positive caster into the front end suspension geometry. With a small but significant change the additional caster delivers several benefits: Improved straight-line stability and tracking; your vehicle will track straight and return to center with less driver input. Dynamic camber gain with steering angle “ the more your turn the wheel with additional caster the more both wheels will ˜camber' into the turn putting more of the tire's contact patch on the road as the suspension loads up in the corner and helping to resist the t