Worn C bushings track arm and radius bushings can cause changes in drivability and handling, alignment settings and caster changes. Can make vehicle unbalanced when braking, less predictable in cornering and cause uneven Tire wear. Replace worn C bushings to as new condition with Whiteline bushings. they come in varying positive caster off sets of 2 degree offset for st ock up to 2" lift , 4 degree offset for 2" to 4" lift , and 7 degrees offset for more than 4" lift. Also in kit is track arm bushings , radius/ strut arm bushings. Whiteline bushings are made from the highest quality elastomers and designed to synchronize your suspension system for optimal safety, handling, performance, ride quality, longevity and reduced maintenance.