NGK IRIDIUM SPARK PLUG (heat rate 9, Ø10x19, 16.0 Hex) Made in Japan Part no: CR9EIX Features: NGK's IX iridium series plugs were designed specifically for the performance enthusiast Fine wire center electrode ensures high durability and a consistently stable spark Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage heat rate 9, Ø10x19, 16.0 Hex Shell Thread Size: 10mm Thread Pitch: 1.0mm Seat Type: Gasket Resistor: Yes Resistor Value: 5K Ohm Reach: 19mm (3/4") Hex Size: 5/8" (16mm) Terminal Type: Threaded Stud Overall Height: ISO Gap: .031" (0.8mm) Center Electrode Material: Iridium Type: Fine Wire Size: .6mm Projection: Non-Projected Ground Electrode Material: Nickel Type: Standard Shape: Taper Cut Quantity: 1 Fitment: Make Model Year KTM 450 SXF 2007 - 2017 HUSQVARNA TE 250 2010 - 2018 HUSQVARNA TE 449 2011 - 2013 HUSQVARNA TXC 250 2010 - 2011 HUSQVARNA TXCi 250 2011 SUZUKI DR 350 1994 - 1999 SUZUKI DR 350 R 1994 SUZUKI DR 350 SE 1994 - 1999 SUZUKI DRZ 250 2001 - 2020 YAMAHA TTR 250 1998 - 2016 YAMAHA WR 250 R 2008 - 2020