Set of 4 NGK Iridium IX Spark Plugs CR8EHIX-9 Stock Number 3797
Iridium IX Plug, 10mm Thread Size, 19mm (3/4″) Reach, 5/8″ (16mm) Hex Size, Gasket Seat, Half Thread Type: 12.7mm (1/2″) Threaded, 19mm (3/4″) Total Reach, Resistor, Projected Tip, Stud Terminal Threads, Fine Wire (0.6mm) Iridium Center Electrode, Tapered Cut Ground Electrode, .035″ (0.9mm) Gap, Heat Range 8.
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