Don't See a Chart? DIRECT Factory Fit Ready for Installation Straight Out of The Box. DIY Plug and Play Install for an easy tune ups. Perfect for any professional or weekend mechanic. Restore proper spark in your Ford with these NEW replacement ignition coils and OEM Platinum Motorcraft spark plugs. Comes as complete set to make your next tune up easy. Ignition coil replacement will ensure a more efficient burn and promote better fuel economy. Common symptoms of failing ignition coil(s) include: Engine shake loss of power decrease in fuel economy and possible ignition coil malfunction ...