Description OEM Replacement plug for the EVO IX Laser Iridium? spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium / Platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions Laser welded Iridium center electrode tip Platinum disc welded to backside of ground electrode provides long life Trivalent Metal Plating for superior anti-corrosion and anti-seizing Faster starts and quicker acceleration Better fuel economy and lower emissions Best OEM Iridium spark plug available Original Equipment Manufacturer approved design Extreme Long Life Laser Iridium Plug, 14mm Thread Size, 26.5mm (1.04″) Reach, 5/8″ (16mm) Hex Size, Gasket Seat, Resistor, Projected Tip, Solid Terminal Nut, Iridium Tipped Fine Wire Center Electrode with Platinum Tipped Tapered Cut Ground Electrode, .024″ (0.61″) Gap, Heat Range 7 Stock #5245
