Product Description
NGK LFR5AIX-11 #4469 Iridium IX Spark Plugs
Fits 2009-Later Hemi 5.7L 6.4L Dodge Chrysler Jeep Engines
Set of 16 Spark Plugs
These NGK LFR5AIX-11 Iridium IX spark plugs are the stock replacement heat range for most naturally aspirated 2009-later 5.7L and 6.4L Hemi car & truck engines. Improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ideal for the performance enthusiast. 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"
- Heat Range 5
- 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, 26.5mm reach, 5/8" Hex
Applications Include (5.7L and 6.4L models only):
- CHRYSLER 300 2009-2023
- DODGE CHALLENGER 2009-2023
- DODGE CHARGER 2009-2023
- DODGE DAKOTA 2009-2010
- DODGE DURANGO 2008-2024
- DODGE RAM 1500 2009-2024
- DODGE RAM 2500 2009-2024
- DODGE RAM 3500 2009-2024
- JEEP GRAND CHEROKEE 2009-2024
- RAM 1500 2011-2024
- RAM 2500 2011-2024
- RAM 3500 2011-2024
