Installation Tips:
1. Before removing the old spark plug, please clean the surrounding area to avoid dirt falling into the combustion chamber when the spark plug is taken out
2. Gentle action is required when removing the high-voltage wire connector, and avoid shaking the spark plug vigorously
3. Disassembled spark plugs one by one
4. Do not skew when installing the spark plug.Please check the required gap specific for your application and gap each grounding electrode accordingly
5. Use a torque wrench to tighten according to the specified torque. Don't use electric tools
6. The spark plug should be kept clean, dry, and free of oil, otherwise it may cause faults such as electric leakage