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Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the strongest ignitability and the longest life possible. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in DIS ignition systems. OE engineered for specific vehicle applications. Shorty Spark Plug: No. Resistor: Yes. Manufacturer Heat Range: 7. Electrode Tip Material: Iridium. Electrode Core Material: Copper. Insulator Type: Extended Projected. Spark Plug Thread Size: 12mm. Spark Plug Reach: 1.040 in. Spark Plug Seat Style: Gasket. Wrench Diameter: 5/8 in. Engine V6, Engine Size 3.5L/3471cc Engine Family V6 Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage Sold In 6 Pack ASIN B081GN3Z1M Gap Size 1.04 Inches Brand Name NGK Unit Count 6.0 Count Item Weight 8.64 ounces Thread Size 12mm Manufacturer NGK Model Number 90074 Core Material Iridium Top Material Type Ceramic Automotive Fit Type Vehicle Specific Fit Included Components 90074 Manufacturer Part Number DILZKR7A11DS Compatible with Vehicle Type Car, Truck Manufacturer Warranty Description Includes manufacturer provided warranty