NGK Laser Iridium Spark Plug ITR6F13 (8 Pack) - Compatible with Ford F-250 Super Duty XL 1999-2005 5.4L/330 V8 Engine - High Performance Ignition for Better Fuel Efficiency & Smoother Acceleration - Ideal for Off-Roading, Towing & Daily Driving

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: 6. Electrode Tip Material: Iridium. Electrode Core Material: Copper. Insulator Type: Projected. Spark Plug Thread Size: 14mm. Spark Plug Reach: 0.690 in. Spark Plug Seat Style: Tapered. Wrench Diameter: 5/8 in. Ground Strap Quantity: One.

Engine V8, Engine Size 5.4L/330

Engine Family Ford modular V8

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 8 Pack