Work-Rite?« Air Helper Spring Kit; Rear; Incl. Brackets; Load Assist Springs; Hardware; No Drilling Required; OEM Number W277608611;
Designed to increase stability and reduce vehicle sway, these Firestone Work-Rite helper spring kits are the perfect additions to your vehicle. They feature injection-molded, micro-cellular urethane load-assist springs that have low-temperature flexibility to -63 degrees C. The kits have six separate spring-geometry and stiffness combinations, so the end user can adjust them to the individual loading scenario. Firestone Work-Rite helper spring kits have no air pressure to monitor and will eliminate spring sag, prevent bottoming out, improve roll stability, and reduce suspension fatigue.
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