Flexbilt offers Motorcrafts original equipment spark plugs are designed, engineered and recommended by Ford Motor Company. Motorcraft spark plugs are available to fit most automotive and many specialty applications.
Nickel plated shell for corrosion resistance and improved appearance.
Same part that was installed when the vehicle rolled-off the assembly line.
Designed to deliver quick starts, enhanced fuel economy and smooth acceleration with 60,000 to 100,000 mile service interval.
Proprietary platinum pad on the side wire electrode with iridium enhanced center electrode
Motorcraft Copper Spark Plug SP-420-A
Part # SP-420-A SKU # 289074 Weight 0.15lb