ACDelco GM Original Equipment 41-993 Iridium Spark Plug - 4 Pack

ACDelco Professional Iridium Spark Plugs are the high quality replacement ideal for many vehicles on the road today. They are the latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition has the highest melting point and strength of all metals. It provides the greatest wear resistance and durability over Platinum and Conventional spark plugs. ACDelco Professional Iridium Spark Plugs provide the best wear resistance and durability of any spark plug. These premium aftermarket replacement iridium spark plugs are manufactured to meet your expectations for fit, form and function.

• Iridium offers better engine idle stability and smoother performance
• Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
• Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy
• One piece suppressor seal blocks radio frequencies that can affect vehicle electronics
• Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap