Bosch USR7AC Super Spark Plug, (Pack of 1)
- Heavy Duty Yttrium-Enhanced Center Electrode with Copper Core Provides Superior Reliability and Durability.
- Tapered Cut Nickel Chromium Ground Electrode Assists in Cold Weather Starts and Provides Increased Ignitability.
- Nickel-Plated Rolled Threads Provide Anti-Seize and Corrosion Protection.
- Metal Glass Fused Resistor Gives Maximum Interference Suppression.
- Angular, 5-Rib Insulator Design Prevents Flashover.