MR43T spark plugs come pre-gapped as specified by your engine manufacturer. Use only the spark plug listed in your engine owners manual. Using the wrong plug can reduce optimum performance
Made by AC Delco with nickel alloy tip
Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer
Nickel-chrome alloy sheathing on the ground and center electrodes help resist wear from spark erosion and the corrosive environment of the combustion chamber
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