Trusted by more engine manufacturers than any other, standard spark plugs offer unmatched reliability. With a copper core and exclusive electrode design, they deliver faster starts, superior performance, and longer life—keeping your engine running at its best.

• Triple gasket sealing process eliminates gas leakage past the shell

• 99% Highly pure alumina silicate insulator

• Solid copper core

• Corrugated ribs to prevent flash over

• Cold rolled threads to prevent damage to cylinder head

• Trivalent plating - silver chromate and zinc for corrosion resistance

• Sold Individually

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.