Spark Plug; ACDelco GM Original Equipment Iridium Spark Plug are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. 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.Iridium offers excellent engine idle stability and smooth performanceIridium allows for small, efficient electrode designs for reliable cold starting and quick accelerationIridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they formOne piece suppressor seal helps block radio frequencies that can affect vehicle electronicsSuppressor seal meters spark energy for long electrode life and helps prevent combustion leakageSome 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 MotorsGM 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
| Approximate Resistor Value (Ohm) | 4000 To 7500 Ohm |
| Center Electrode Core Material | Copper |
| Center Electrode Design | Fine Wire |
| Center Electrode Tip Material | Iridium |
| Ground Electrode Tip Material | Platinum |
| Hex Size (in) | 5/8 Inch |
| Hex Size (mm) | 16mm |
| Insulator Height (in) | 2.067 Inch |
| Insulator Height (mm) | 52.5mm |
| Material Grade | Iridium |
| Number Of Ground Electrodes | 1 |
| Preset Gap (in) | 0.043 Inch |
| Preset Gap (mm) | 1.1mm |
| Resistor Plug | Yes |
| Ribbed Core Nose | No |
| Seat | Conical |
| Short Style Spark Plug | No |
| Thread Reach (in) | 0.980 Inch |
| Thread Reach (mm) | 25mm |
| Thread Size | 14mm |
| Unit of Measure | Each |
| UPC | 707773189610 |
| Warranty | 7 Year Limited Warranty |
