A-Premium Iridium Spark Plugs Compatible with Husqvarna FE450 2014-2016 & Husaberg FE390 2009-2012, Pack of 4

["[Vehicle Fitment]: Compatible with Husaberg FE390 2009-2012; Compatible with Husqvarna FE450 2014-2016 --- 4x Nickel Spark Plugs","[Reference Number]: 6706, 75039093000, LKAR8AI9","[Specifications]: ①Center Electrode Tip Material: Iridium; ②Center Electrode Core Material: Iridium; ③Pre-Gap Size (MM): 0.8-0.9; ④Hexagon Size (MM): 14; ⑤Thread Reach (MM): 26.5; ⑥Installation Torque(N M): 25-30","[Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance","[Ideal Replacement Interval]: For optimal engine performance and longevity, it is recommended to replace nickel alloy spark plugs at mileage intervals of 20,000 to 30,000 miles"]