Jichai 601t. 90.20 Prechamber Spark Plug

Jichai 601t. 90.20 Prechamber Spark Plug. Iridium Laser Welding: J-shaped trifurcated side electrode with iridium laser welding wear-resistant sheet for durability. Nickel Alloy Shell: High temperature resistant nickel alloy plated shell ensures structural integrity. Extended Rod Structure: Integrated extra-long extension tube designed for H16V190 deep cavity cylinder heads. Specific Working Life: 2000-3000 hours for pure natural gas; 1000-1800 hours for coal seam or biogas. High Voltage Withstand: Withstands up to 35kV ignition voltage suitable for high-voltage ignition systems. Standard Thread Spec: M18x1.5 metric fine thread with 25.4mm effective thread length.