Integrally molded to backing plate for bond integrity Premium shims, slots, and chamfers can help to dimish noise, vibration, and braking harshness Stamped backing plate allows for proper pad movement within the caliper assembly, help reduce noise, brake pulsation, and helps to protect against premature wear Tested to SAE J2784 for braking effectiveness, along with Noise/Vibration/Harshness (NVH) and durability/wear testing Select Gold hardware includes nitrile coated material to help reduce noise Some ACDelco Gold parts may have formerly appeared as ACDelco Professional Premium aftermarket replacement part Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models