Gevog New Ignition Coil Set of 8 for Ford Lincoln Mercury 4.6L 5.4L V8 6.8L V10 DG511 Ignition Coils Produce the High Voltage Necessary to Ignite the Air/Fuel Mixture in the Combustion Chamber Item-included: 8 pcs Pre-Greased/Pre-Tested Ignition Coil Included Meterials: Coil: Germany Made High Performance Copper Each Part is Carefully Tested in Order to Provide High Quality Parts to Our Customers, Reduces Misfire and Eliminates Hesitation Built to Strict Quality Control Standards, Meet OEM Performance Requirements. Please Verify Fitment Before Purchasing This Product