[Specifications]: ① Center Electrode Tip Material: Iridium; ② Center Electrode Core Material: Platinum; ③ Resistance (ohms): 5000; ④ Gap Size (IN): 0.031-0.035; ⑤ Hex Size (IN): 5/8; ⑥ Insulator Height (mm): 50.50; ⑦ Reach (mm): 19.05; ⑧ Thread Diameter (MM): 14.00
[Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance
[Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles