Product Description
NGK LZTR4A-11 #5306 Nickel Copper Spark Plugs | Set of 16 | Fits 2003-2008 Hemi 5.7L Dodge Chrysler Jeep
Keep your Hemi 5.7L running strong with NGK’s LZTR4A-11 #5306 Nickel Copper Spark Plugs. Specifically engineered as a stock replacement for naturally aspirated 2003–2008 Hemi 5.7L engines, these plugs provide reliable ignition, durability, and consistent performance. Featuring NGK’s exclusive V-Groove center electrode, cold-rolled threads, and a high-grade copper core, these spark plugs improve ignitability while ensuring long-lasting dependability. Perfect for drivers looking for an OEM-quality solution with proven NGK reliability.
Key Features:
- OEM-Quality Replacement: Designed as the stock heat range replacement for 2003–2008 Hemi 5.7L engines.
- V-Groove Electrode Design: 90° V-Groove allows better flame expansion and improved ignitability.
- Durable Construction: Cold-rolled threads prevent cross-threading, while trivalent plating eliminates the need for anti-seize.
- Superior Materials: High-grade alumina silicate ceramic improves insulation strength, and a 98% pure copper core ensures excellent heat dissipation.
- Factory Pre-Gapped: Ready to install with a pre-set .044" gap for easy and accurate installation.
Specifications:
- NGK Heat Range: 4
- Thread Size: 14mm
- Reach: 25mm
- Hex Size: 5/8"
- Set of 16 Spark Plugs
Vehicle Fitment:
- 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)
