ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. Product Features:Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original componentsIridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durabilityIridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performanceThree Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronicsIridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durabilitySome ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco ProfessionalACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicleGM regularly updates production and service part designs to integrate new materials and technologies
