Bosch EVO Spark Plug 8524

Bosch EVO Spark Plug 8524 by Bosch. Manufacturer part number: 8524.

• Long service life: The iridium alloy in the firing pin of the center electrode and platinum-iridium alloy on the ground electrode reduces the wear on the electrodes and increases the service life of the spark plug
• Corrosion defense: Improved corrosion protection through the use of a process developed by Bosch for nickel coating of the spark plug housing