Enhance your vehicle's ignition system with the AC DELCO Spark Plugs R43 Pack of 8. These high-quality spark plugs are designed to improve engine performance and fuel efficiency. Made by ACDelco, a trusted brand in the automotive industry, these spark plugs are compatible with a wide range of vehicles. They have an OE/OEM part number of 5569992 and a manufacturer part number of R43. These spark plugs were manufactured in Mexico and are a reliable replacement for your vehicle's worn-out spark plugs. Upgrade your vehicle's ignition system with the AC DELCO Spark Plugs R43 Pack of 8 today!