Rear sway bar kit for 79-04 Mustang. Made from solid core tubing with 1" diameter. Requires QA1 rear trailing arms. Includes hardware. QA1's Mustang Rear Sway Bars are manufactured from heavy duty solid-core(1045) cold formed steel for maximum strength. Precision CNC forming ensures proper fitment for a true bolt-on installation. These sway bars feature the same adjustable end links and gloss black powder coated finish. They include greaseable graphite polyurethane bushings, U-bolts and high quality plated hardware.