Motorcraft Double Platinum Spark Plug SP-478X
|Ground Electrode Material||Platinum Tipped|
|Center Electrode Tip Material||Double Platinum|
|Center Electrode Core Material||Copper|
Tested to Ford specifications for performance and emission standards.
- Nickel plated shell for corrosion resistance and improved appearance.
- Same part that was installed when the vehicle rolled-off the assembly line
- Platinum pad on both electrodes with proprietary platinum pad on the side wire electrode.
- Designed to deliver quick starts, enhanced fuel economy and smooth acceleration with 100,000 mile service interval.