Product Description
NGK LZTR4A-11 #5306 Nickel Copper Spark Plugs
Fits 2003-2008 Hemi 5.7L Engines Dodge Chrysler Jeep
Set of 16 Spark Plugs
These NGK LZTR4A-11 Nickel/Copper spark plugs are the stock replacement heat range for most naturally aspirated 2003-2008 Hemi 5.7L car & truck engines. They feature a specially designed V-grooved center electrode, improving ignitability and reducing quenching. Copper core spark plugs are an economical alternative to exotic metal plugs in applications where extended service intervals are not required.
- Factory Pre-gapped to .044"
- NGK Heat Range 4
- 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
- 98% pure copper core increases heat dissipation for reliable starts and prevents spark plug overheating
- 90 degree V-Groove center electrode allows the spark to occur closer to the outside of both the center and ground electrodes for better flame expansion and improved ignitability
- NGK spark plugs are tested to the highest OEM original equipment standards
- 14mm Thread, 25mm reach, 5/8" Hex
Applications Include (5.7L Models Only):
- CHRYSLER 300 2005-2008
- DODGE CHARGER 2006-2008
- DODGE DURANGO 2004-2008
- DODGE MAGNUM 2005-2008
- DODGE RAM 1500 2003-2008
- DODGE RAM 2500 2003-2008
- DODGE RAM 3500 2003-2008
- JEEP GRAND CHEROKEE 2005-2008
