Original Equipment Copper Core Spark Plug
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Motorcraft Original Equipment Copper Core Spark Plug

Part No. SP-425 Warranty Details  

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Motorcraft Original Equipment spark plugs are designed, engineered and recommended by Ford Motor Company.

Product Features:
  • 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
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Wrench Diameter (Inches):5/8
Spark Plug Seat Style:Tapered
Type:Copper Core Spark Plug
Tip Configuration:Copper Core
Ground Strap Quantity:1
Spark Plug Thread Size:14mm
Insulator Type:Standard
Manufacturer Heat Range:6
OE Number:ASF52C
Spark Plug Reach (Inches):.460"
Electrode Core Material:Copper Core
Electrode Tip Material:Inconel
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