NGK Racing Spark Plugs for 5.7L Hemi - Heat range 8

NGK racing spark plugs are built to withstand the severe mechanical and thermal shock associated with high-revving, high-compression engines. NGK racing plugs feature special electrode materials—precious metals like platinum or gold/palladium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. And, the unique arrangement of insulator noses improves throttle response! Whether you're a weekend warrior or an expert racer, rocket your way to victory with racing spark plugs from NGK—the people who spark winners! Manufacturer Heat Range: 8 Electrode Tip Material: Nickel alloy Electrode Core Material: Copper Center Electrode Type: Projected Spark Plug Thread Size: 14mm Spark Plug Reach: 25mm Spark Plug Seat Style: Tapered Wrench Diameter: 5/8 in. NGK Sku: 93400