Bosch 7547 (WSR6F) Spark Plug, Pack of 2
- Nickel-Plated Rolled Threads Provide Anti-Seize and Corrosion Protection.
- Tapered Cut Nickel Chromium Ground Electrode Assists in Cold Weather Starts and Provides Increased Ignitability.
- Angular, 5-Rib Insulator Design Prevents Flashover.