NGK 4091 - Racing Spark Plug Box of 4 (R5671A-7)

NGK 4091 - Racing Spark Plug Box of 4 (R5671A-7)

Spark Plug - NGK Racing - 14 mm Thread - 0.750 in Reach - Gasket Seat - Stock Number 4091 - Non-Resistor - Set of 120

NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special configurations are used for a wide variety of racing applications.