Hotchkis 96-02 Audi Quattro S4 Front Sway Bar KitHotchkis Sport Suspension 22801F, 1996 2001 Audi B5 Front Sport Sway Bar Set. For those that track their A4 S4 often or want a much more aggressive feel when attacking a canyon road Hotchkis Sport Suspension offers the Extreme Front Sport Sway Bar Set. This set uses a 35mm tubular front bar that is 60% stiffer than stock. Included are replacement polyurethane bushings front and rear bushing brackets front and rear along with 90 degree grease fittings