MR43LTS spark plugs come pre-gapped as specified by your engine manufacturer. Use only the spark plug listed in your engine owner’s manual. Using the wrong plug can reduce optimum performance, reduce fuel economy or cause damage to your engine. Spark plugs are easy to change with common spark plug sockets.
Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance
Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer
Don’t just clean used spark plugs, replace them with new plugs for better performance