1-NGK R5671A8 4554 Racing Spark Plugs Race-Tuned-Turbo-NA-Supercharged-High Comp

1-NGK R5672A9 7405 Racing Spark Plugs Race-Tuned-Turbo-NA-Supercharged-High Comp

NGK Spark Plug (Racing) Standard Nickel (Pre-Gap 0.032) 4091 (R5671A-7)

1-NGK Racing Spark Plugs Race-Tuned-Turbo-NA-Supercharged-High Comp 4091 R5671A7

NGK R5671A-9 5238 Racing Spark Plugs Race-Tuned-Turbo-NA-Supercharged-High Comp

NGK Set of 4 Racing Spark Plugs Race-Tuned-Turbo-NA-Supercharged-High Comp