- Vehicle Compatibility: This ignition coil pack and spark plug set is designed for Ford Expedition (2015-2017), Explorer (2013-2017), and F150 (2011-2015) 3.5L V6 Turbo models. - Enhanced Performance: Restore strong ignition performance and improve combustion efficiency, ensuring smooth engine starts whether you are driving daily or under heavy loads. - Additional Compatibility: Also compatible with Ford Flex (2013-2015), Taurus (2013-2015), Police Interceptor Sedan (2015-2017), and Police Interceptor Utility (2015-2017) 3.5L V6 engines. This kit ensures consistent spark delivery, minimizes misfires, and enhances fuel economy and acceleration. - Broader Fitment: Fits Ford Transit150, Transit250, Transit350, and Transit350 HD (2015-2017) 3.5L Turbo models, as well as Lincoln MKS (2013-2015), MKT (2013-2015), and Navigator (2015-2017) 3.5L V6 Turbo models. Designed specifically for turbocharged engines, it guarantees optimal ignition stability and long-term durability. - Direct Replacement: This kit serves as a direct replacement for OE numbers UF646, DG549, IC749, 2505484814, BL3Z12029C, E1146, 6736300, 5C1871, SP534, SP537, SP580, SP528, and CYFS12Y3. - Complete Installation Kit: The package includes 6 ignition coil packs and 6 double iridium spark plugs for a comprehensive installation solution. Use Scenarios: 1. Daily Commutes: Enhance engine performance for everyday driving, ensuring reliable starts and efficient fuel usage. 2. Heavy-Duty Applications: Ideal for those who often drive under heavy loads, providing consistent power and reducing the risk of misfires. 3. Long-Distance Travel: Perfect for long trips, ensuring your vehicle performs optimally and maintains fuel efficiency throughout your journey.