Description
Iridium offers excellent engine idle stability and smooth performance.Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration.Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form.One piece suppressor seal helps block radio frequencies that can affect vehicle electronics.Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage.Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle.Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type.GM regularly updates production and service part designs to integrate new materials and technologies
