ACDelco Silver (Advantage) Steering Center Links are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. These center links control left and right linkage movement and are made of hot-forged alloy steel for superior strength. They are coated to help provide rust protection. Their low-friction constant-torque pivot joints also provide accurate vertical movement. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage.