Progress Technology Rear Anti-Roll bar for the Focus. Made to work in conjunction with the stock front bar, the 22 mm rear bar will reduce body roll and improve chassis balance. Comes with polyurethane bushings and new end links. An easy installation for a dramatic handling improvement. Fits ZX3, ZX5, Sedan, and Wagon. Check your Focus for a stock rear sway bar before ordering! Some Focus are built without a place to mount an aftermarket sway bar. Mounts are available on Focaljet.com message board.