SINGLE PLATINUM

Bosch Platinum Spark Plugs are the newest member of our OE fine wire spark plug family. From the brand trusted in the world’s most advanced engines, Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance. The OE fine wire platinum design delivers optimum fit and function for 2x longer service life compared to standard copper plugs. Resistor: Yes Electrode Type: Fine Wire Center Electrode Core Material: Platinum Electrode Tip Material: Nickel And Yttrium Insulator Type: Ribbed Thread Size (IN): 0.551 Inch Thread Size (MM): 14 Millimeter Reach: 0.438 Inch Seat Type: Tapered Wrench Diameter: 5/8 Inch Quantity: Single Features 360 Degree Continuous Laser Welded Platinum Center Electrode Featuring Fine Wire Design Copper Core Ground Electrode. Large, Copper Core Center Electrode Tapered Yttrium Enhanced Ground Electrode Nickel-Plated Shell With Rolled Threads. Promotes Durability And Long Life Ribbed Insulator Design Delivers Improved Ignitabilit