2021+ F150 5.0L MOTORCRAFT IRIDIUM SPARK PLUGS (SET OF 8) SP-588

Are you plagued by misfires, hesitation, rough idle, poor fuel mileage? Spark plugs are usually the overlooked culprit. Switch to Motorcraft iridium spark plugs and notice a difference in power and fuel economy, along with a smooth, quiet idle. Iridium is six times harder, eight times stronger, and has a melting point much higher than platinum. These plugs have a nickel plated shell for corrosion resistance and improved appearance. Free your engine from the plague of carbon deposits—install Motorcraft products for smooth, responsive performance.

• 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 30,000 to 100,000 mile service interval.
• Platinum pad on both electrodes with proprietary platinum pad on the side wire electrode.
• Nickel plated shell for corrosion resistance and improved appearance.