Holley EFI’s Smart Coils for Ford Coyote and Mopar Gen III Hemi applications have what it takes to power engines running big boost or high-RPM conditions. The coils are designed to work with Holley’s HP EFI, Dominator EFI, Terminator X EFI or any other EFI system that can drive smart coils. With the adjustable dwell time, you can adjust the coils to your individual needs. And don’t worry about spark energy…there’s plenty on tap to light the fire in your engine.