Bosch Double Platinum Spark Plugs are engineered for up to 3X longer service life.*
Key Features:
* Compared to standard copper spark plugs
Copper core ground electrode
Provides broader heat range to resist pre-ignition
Laser welded platinum inlay
Promotes durability and longer life
Laser welded platinum tip
360 Deg. continuous laser welding to fuse the platinum firing pin
Copper core center electrode
Delivers better ignitability and performance
Nickel-plated shell with rolled threads
Provides complete anti-seize and corrosion protection