A-Premium Spark Plugs Compatible with Suzuki GSF 1200 1988-2006, Pack of 4, Replaces 0948200366, 0948200389

["[Vehicle Fitment]: Compatible with Suzuki GSF 1200 1988-2006 --- 4x Nickel Spark Plugs","[Reference Number]: 0948200365, 0948200366, 0948200389, 3188, JR9B","[Specifications]: ①Center Electrode Tip Material: Nickel; ②Center Electrode Core Material: Nickel; ③Pre-Gap Size (MM): 0.6-0.7; ④Hexagon Size (MM): 17.5; ⑤Thread Reach (MM): 19; ⑥Installation Torque(N M): 20-25","[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"]