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

["[Vehicle Fitment]: Compatible with Suzuki GSF 1200 1988-2006 --- 4x Nickel Spark Plugs","[Reference Number]: 0948200397, 6193, JR9C","[Specifications]: ①Center Electrode Tip Material: Nickel; ②Center Electrode Core Material: Nickel; ③Pre-Gap Size (MM): 0.6-0.8; 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"]