Motorcraft OE Copper Core Spark Plug

Motorcraft OE Copper Core Spark Plug

Same part installed when the engine rolled off the assembly line 30,000-mile service interval Copper core electrode and nickel chromium alloy side electrode for excellent heat dissipation and durability. Resistor reduces radio frequency interference (RFI) and electrode erosion Copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap and a gas-tight seal