Spark Plug Up to 4X Longer Life

Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs.

Benefit	Bosch Double Iridium	Bosch Double Platinum	Bosch Platinum
Service Life	Longer Life (vs. Standard Copper Plugs)	Performs 4X Longer	Performs 3X Longer	Performs 2X Longer
Satisfaction Guarantee	Less Worry	7 Years	5 Years	4 Years
Precious Metal	Performance & Durability	Premium Performance	Better Performance	Improved Performance
No Gapping Required	Optimal Spark & No Adjustment Necessary	✓	✓	✓
Exclusive 360 Continuous Laser-Welded Center Electrode	Increased Durability	✓	✓	✓
OE Fine Wire Design	Reduced Voltage for Improved & Reliable Ignition	✓	✓	✓
Nickel-Plated Shell	No Anti-Seize Required	✓	✓	✓
OE-Matched Spark Position	Customized Compatibility	✓	✓	✓