1990-2000 Mazda Miata NGK One Step Cooler Spark Plugs for Turbo and Superchargers, Force Induction Miata

New  1990-2000 Mazda Miata The perfect choice for forced induction NA and NA Miata's  One step colder than factory.DOHC; Gap: 0.044 always check your gap before installing NGK quality and reliabilityV-Groove Design Enhances IgnitabilityMore Complete Combustion and Lower EmissionsRacer's Choice for PerformanceIncreased anti-fouling characteristics and performanceNGK advanced V-groove center electrode provides optimum performance and fuel efficiency required by today's lean-burning engines. NGK V-Power Spark Plugs also are ideally suited for race cars and high performance street cars. Today's performance engines are high compression/high stress applications. Many are supercharged, turbo-charged or nitrous oxide fed.