ACDelco Gold (Professional) Steering Center Links are a high quality alternative to Original Equipment (OE) parts. These links control left and right linkage movement. This center link is made of hot-forged alloy steel for strength and is coated to help provide rust protection. Their low-friction constant-torque pivot joints also provide accurate vertical movement. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.