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Bosch 8 Double Iridium Spark Plugs & NGK Coil Boots Kit for E-350 Super Duty 6.4

Bosch 8 Double Iridium Spark Plugs & NGK Coil Boots Kit for E-350 Super Duty 6.4

10 x Bosch - Spark Plugs - Fine Wire Double Iridium. 10 x NGK - Direct Ignition Coil Boots - Coil on Plug. Center Electrode Tip Material: (Spark Plug) Iridium. Center Electrode Core Material: (Spark Plug) Nickel-Yttrium and Copper.