Front rear brake rotor ceramic pad & drum kit (7pc) for chevrolet cobalt pontiac precise channel cut to provide a superior thermal stability and prevent overheating. Interchanges AG55083, AG55152, 55083, 55152, YH145419C, YH145419, 120.62072, 121.62072, BR55083, BR900646, 55170, 48880633, 248880633, 126100, 900646, 580137, 580633, BD126100, ASR-55170.