Edelbrock part #22744 Max-Fire Coil-On-Plug ignition coil pack is for use with 1997-2014 Ford 4.6L, 5.4L and 6.8L engines with 2-valve cylinder heads. It's a direct bolt-on with OEM DIS electronic controls and aftermarket high performance ignition systems. Edelbrock Max-Fire Coil On Plug ignition coils are designed with higher resistance for increased energy output at higher rpm, when compared to an OEM coil. The coils are sealed with a high temperature epoxy for shock and vibration resistance as well as excellent thermal conductivity. The spark plug spring contact is made from stainless steel, with a ferrite lug to reduce EMI/RFI noise; while the boots are molded from a high temperature silicone compound for superior heat resistance up to 550 degrees F. Order the direct bolt-on OEM coil pack best suited for your vehicle. Fits 2-valve engines only. Sold Individually.