Product Description
NGK LTR5IX-11 Iridium Spark Plugs #4344 - Set of 8
Fits 2014-Newer LT-Based V8 Engines 5.3L 6.2L L83 L86 LT1 LT4 L84 L87 L8B L82 L8T
Also fit BTR Canted Valve LS Heads
These NGK Iridium spark plugs are the factory heat range for most Gen V LT-based car & truck engines. Improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ideal for the performance enthusiast. Iridium's extremely high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.
- Factory Pre-gapped to .044"
- 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
- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent plating eliminates need for anti-seize on threads
- High-grade alumina silicate ceramic creates a stronger insulator to reduce dielectric punch-through
- Tapered ground electrode increases ignitability and minimizes quenching
- NGK spark plugs are tested to the highest OEM original equipment standards
- 14mm Thread, 25mm" reach, 5/8" Hex
Applications Include (V8 Models Only):
- CADILLAC CTS-V 2016-2019
- CADILLAC ESCALADE 2015-2025
- CHEVROLET CAMARO 2016-2024
- CHEVROLET CORVETTE 2014-2019
- CHEVROLET EXPRESS 2500 2020-2025
- CHEVROLET EXPRESS 3500 2020-2025
- CHEVROLET SILVERADO 1500 2014-2025
- CHEVROLET SILVERADO 2500 2020-2025
- CHEVROLET SILVERADO 3500 2020-2025
- CHEVROLET SUBURBAN 2015-2025
- CHEVROLET SUBURBAN 3500 HD 2019-2022
- CHEVROLET TAHOE 2015-2025
- GMC SAVANA 2500 2020-2025
- GMC SAVANA 3500 2020-2025
- GMC SIERRA 1500 2014-2025
- GMC SIERRA 2500 2020-2025
- GMC SIERRA 3500 2020-2025
- GMC YUKON 2015-2025
