ACDelco Silver (Advantage) Heavy Duty Flooded Maintenance Free Batteries are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. These batteries have center line terminals which allow for the greatest installation versatility, and a Calcium-Calcium plate construction to resist vibration, shock, and heat. Permanently sealed covers and a specially designed grid offer excellent vibration resistance. 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. &#9888 PROPOSITION 65 WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling.