NGK Iridium IX LFR6AIX-11 Spark Plugs (Set of 16) (2009+ 5.7L VVT) - 6619

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. When you require the best, count on The World Leader in spark plug technology NGK Spark Plugs. We offer the highest quality products for virtually every vehicle application. Count on NGK Spark Plugs to deliver the finest quality products and customer service.

• Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
• Iridium Alloy Has Extremely High Melting Point, Perfect For Today's High-Tech, High-Performance Engines
• Trivalent Metal Plating Provides Superior Anti-Corrosion And Anti-Seizing Properties
• Outstanding Acceleration, High Fuel Efficiency And Durability
• Ultimate Design, Technology And Performance Offers Extreme Ignitability, Improved Throttle Response And Superior Anti Fouling
• Limited 60 Day Warranty

Features:

• Shorty Spark Plug: No
• Resistor: Yes
• Manufacturer Heat Range: 6
• Electrode Core Material: Copper
• Electrode Tip Material: Iridium
• Insulator Type: Projected
• Spark Plug Thread Size: 14mm
• Spark Plug Reach: 1.043 in.
• Spark Plug Seat Style: Gasket
• Wrench Diameter: 5/8 in.
• NGK Part Number: LFR6AIX-11