What spark plugs on 87chevy 305 5.0?

For a 1987 Chevy 305 (5.0L) engine, the recommended spark plugs are typically AC Delco R44LTS, although you can also use equivalent plugs like NGK TR55 or Autolite 605. It's important to check the gap specification, which is usually around 0.035 inches for this engine. Always refer to your vehicle's manual for the most accurate information regarding spark plug selection and specifications.