Fits all S550 Mustangs;Designed for street performance, autocross, and road race applications;Dramatically reduces body roll;19%-55% increase in sway bar rate (front), 63%-208% increase is sway bar rate (rear);Cold formed to better resist torsional fatigue;Manufactured from 35mm heavy-wall DOM tubing (front), Manufactured from 25mm heavy-duty bar stock (rear);Three-way adjustable for street and track use ;Adjustability allows for fine-tuning of suspension; High durometer, greasable polyurethane bushings;Zinc-plated inner sleeves;Billet aluminum, black anodized bushings saddles;Durable powdercoat finish;3-4 hour installation time;Proudly designed in the U.S.A.;Proudly made in the U.S.A.