At ‘spec we only use NGK plugs. Our favourite ones are either range 7 or 8. This is a pack of 4 Iridium Heat range 7 plugs.
Designed specifically for the performance enthusiast. Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling. Fine Iridium tip ensures high durability and a consistently stable spark. Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines. Trivalent Metal Plating – superior anti-corrosion and anti-seizing properties. Outstanding acceleration, high fuel efficiency and durability. Ultimate design, technology and performance.
Iridium IX Plug, 14mm Thread Size, 19mm (3/4″) Reach, 5/8″ (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal Nut, ISO Length, Projected Tip, Fine Wire (0.6mm) Iridium Center Electrode, Tapered Cut Ground Electrode, .031″ (0.8mm) Gap, Heat Range 7.