GM Genuine Parts Disc Brake Caliper Guide Bushing Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. This kit includes the necessary bolts, fasteners, bushings, and other hardware where applicable for your vehicle's disc brake caliper applications. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).