GM Original Equipment™ Rear Drum Brake Shoes by ACDelco®. When you need high-quality stopping power for your GM vehicle, rely on ACDelco GM Original Equipment Pads and Shoes. Built to meet stringent FMVSS guidelines, ACDelco Brake Pads and Brake Shoes come with premium hardware, shims, chamfers, slots and are integrally-molded (I-M) for excellent heat characteristics and long-life performance. Backed by competitive warranty coverage, ACDelco Pads and Shoes give you the quality your GM vehicle deserves.