Bosch Automotive (7911) Copper with Nickel Spark Plug

What are you looking for in a spark plug that will give you the best performance, durability, and reliability? Look no further than the Bosch 7911/WR9DC Copper with Nickel Spark Plugs! With their heavy-duty Nickel center electrode, these plugs offer a longer lasting service life compared to standard Copper plugs.

Plus, the Copper core provides better heat transfer for resistance to pre-ignition and fouling, while the metal glass fused resistor maximizes interference suppression.

The ribbed insulator design prevents misfire due to current leakage, and the Nickel-plated rolled threads provide superior resistance to corrosion.

And the best part? No need for anti-seize! Easy installation and removal make these plugs a must-have for any vehicle owner looking to improve performance and extend the life of their engine.

Upgrade to the Bosch 7911/WR9DC Copper with Nickel Spark Plugs today and experience the difference for yourself!