Ford & Lincoln 2.7L & 3.0L Ford MOTORCRAFT IRIDIUM SPARK PLUGS (SET OF 6) SP594 SP-594

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 60,000 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. (Part number SP- 578 has been superseded by Part number SP-594)