The laser-welded, dual-platinum surface of this NGK spark plug provides high ignitability and a longer service life compared to regular plugs through its slow wear rate and anti-fouling characteristics. This plug features trivalent metal plating, corrugated ribs to prevent flashover, pure alumina silicate ceramic insulator, and is triple-sealed. The spark plug is an essential component of the engine and they should be regularly checked and replaced to ensure optimum performance. For assistance in selecting the right spark plugs for your vehicle, contact your local Supercheap Auto store and speak to one our friendly team members.