| Core Material | Iridium |
|---|---|
| Thread Size | 14 millimeters x 1.25 |
| Top Material Type | Nickel |
| Vehicle Service Type | Car, Truck |
| Global Trade Identification Number | 00009100267283 |
| Automotive Fit Type | Vehicle Specific Fit |
| upc | 009100267283 |
| Manufacturer | Autolite |
| Model | XP666-4PK |
| Item Weight | 6.9 ounces |
| Product Dimensions | 3.38 x 4 x 1 inches |
| Item model number | XP666-4PK |
| Exterior | Chrome |
| Manufacturer Part Number | XP666-4PK |
| Position | Center |
| Special Features | Finewire design, Limited Lifetime Warranty |
| Date First Available | December 28, 2017 |
| Customer Reviews | 3.7 out of 5 stars |
| Item Length | 3.38 |
| Item Height | 1 |
| Item Width | 4 |
| Number of Items | 4 |
| UPC | 009100267283 |
Check the listing for details. Autolite Iridium XP Automotive Replacement Spark Plugs, XP666 (Pack) 4. Condition: New. Listed at 57.13 USD. FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.