Rear Brake Drum Replacement: Includes (1) Dynamic Friction Company Rear Brake Drum for improved braking performance. High-Performance Brake Rotors: Mill-balanced blank rotors ensure smooth, vibration-free stopping and long-lasting performance. Made from premium G3000/G11H18 iron casting for superior strength, stability and durability. Reliable Stopping Power: our Brake Rotors deliver high-quality braking performance and durability; engineered with advanced technology for long-lasting reliability and enhanced vehicle safety. Fits (verify fitment details with AmazonConfirmFit bar above): 2005-2013 Chevrolet Silverado, GMC Sierra.