Durability – ACDelco Silver™ Brakes are designed to help resist corrosion and premature wear
Quiet – You won't hear much from these high-quality brakes
Quality Assurance – ACDelco Silver™ Brakes are the most thoroughly, independently tested brakes on the aftermarket. ACDelco submits its brake products through a range of test methods, including Noise/Vibration/Harshness (NVH) and durability/wear testing. This allows us to deliver the high-quality product that an ACDelco customer expects. No manufacturer tests or audits its replacement brake products to the level of ACDelco more details on - https://www.carid.com/acdelco/silver-vented-front-brake-rotor-mpn-18a1612ac.html