What spark plug came in a 74 camaro z28 with electronic ignition?

The 1974 Camaro Z28 with electronic ignition typically came equipped with AC Delco R43TS spark plugs. These plugs are designed to work effectively with the vehicle's 350 cubic inch V8 engine and electronic ignition system, ensuring optimal performance. Always refer to the owner's manual or a trusted automotive source for specific recommendations based on your engine's configuration.