Description
NGK Iridium Spark Plug for 2009-2024 5.7L VVT & 2015-2024 6.2L Hemi
Ultimate Performance with Iridium Technology: These NGK Iridium IX spark plugs feature an ultra-fine center electrode, ensuring maximum durability while providing a precise and consistent spark. The iridium construction offers unmatched strength, being 6 times harder than platinum, reducing voltage requirements and enhancing performance.
Key Features:
- Electrode Core Material: Copper core with an iridium tip for superior conductivity and durability
- Projected Insulator Type: Improves cold starts and overall engine performance
- Resistor Spark Plug: Reduces electromagnetic interference, ensuring consistent spark
- Thread Size & Reach: 14mm thread size with a 1.043 in. reach for optimal fitment
- Recommended Gap Size for Boost Levels:
- 0.029″ for stock boost level
- 0.027″ for 15 psi
- 0.024″ for 18 psi
- 0.022″ for 20 psi
- 0.020″ for 22 psi
- 0.018″ for 24 psi
Applications: Fits 2009-2024 5.7L VVT & 2015-2024 6.2L Hemi engines, optimized for both naturally aspirated and boosted setups.
NGK Part Number: LFR7AIX







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