NGK Laser Iridium Spark Plugs - HEMI 5.7L V8 (Pack of 16)

NGK Laser Iridium® spark plugs provide high ignitability and longer service life. Dual Iridium surfaces ensure a slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency, and lower emissions. NGK LZFR5CI-11 Laser Iridium Resistor Spark Plug Features: Trivalent metal plating protects against corrosion and seizing Corrugated ribs help prevent flashover Copper core helps with heat removal Triple seals prevent leakage Specifications: 14mm x 1 in. Reach 5/8 in. Hex 0.044 in. Gap Extended Projection Tapered Seat