The Bosch QuietCast line draws on over 77 years of OE braking excellence; promising the highest quality performance, industry-leading strength and durability, and exclusive innovations including Molded Shim Technology (MST) The industry's best pre-attached OE style multilayer rubber core shims ensure the highest quality bond between rubber and steel, resulting in lower noise, increased strength, and corrosion resistance Rigorously formulated and tested by Bosch's engineers, the Semi-Metallic friction material in the QuietCast line is meticulously engineered to achieve superior performance, exceptional stopping power, and quiet operation with low dust Powder-coated backing plate prevents rust and corrosion for increased product life of the brake pad; Slots and chamfers ensure premium quality, fit, and function Set includes pads for 1 axle (2 wheels), hardware kit (where available), and synthetic lubricant for reduced resistance on sliding contact points REAR: Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific fitment details with fit checker above): HYUNDAI: 2012-17 Accent, 2011-16 Elantra, 2013-14 Elantra Coupe; KIA: 2014-17 Optima, 2012-17 Rio