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LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade in Saudi Arabia LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade in Saudi Arabia LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade in Saudi Arabia LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade in Saudi Arabia LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade in Saudi Arabia

LTR5IX-11 Iridium Spark Plugs | Set of 8 | Fits 2014+ Gen V LT Engines | 5.3L 6.2L LT1 LT4 L83 L86 L87 L84 L82 | High-Performance Iginition Upgrade

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Special Features

  • High-Performance Ignition Upgrade – Iridium center electrode ensures superior ignition efficiency, faster starts, and consistent power delivery even under extreme conditions.
  • OEM Fitment for Gen V Engines – Precision-fit design for 2014+ GM 5.3L and 6.2L LT-based platforms including LT1, LT4, L83, L86, L87, L84, and L82.
  • Enhanced Durability and Longevity – Iridium construction resists wear and corrosion far better than copper or platinum alternatives, offering extended service life and stable performance.
  • Improved Throttle Response – Cleaner, more complete combustion improves fuel efficiency, reduces hesitation, and provides smoother acceleration.
  • Trusted NGK Quality – Manufactured by the world leader in spark plug technology, NGK's 4344 plugs are backed by decades of OE-level reliability and motorsports-proven performance.

Description

The NGK LTR5IX-11 (Part #4344) Iridium Spark Plugs are the gold standard for Gen V LT-based engine ignition performance. Trusted by racers and performance enthusiasts alike, this set of 8 high-performance plugs delivers exceptional spark efficiency, faster throttle response, and a longer service life compared to conventional plugs. Designed with a fine-wire iridium center electrode, these plugs maintain peak combustion under high heat and pressure—making them ideal for both daily-driven Gen V trucks and high-horsepower builds. Whether you're pushing boost or looking for a reliable ignition upgrade on your stock LT1 or LT4, NGK 4344 plugs are engineered to meet and exceed expectations.

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