Shop Holley Terminator X and Terminator X Max EFI kits for Gen III Hemi engines. Compare options for 2003–2006, 2007–2012, and 2013+ applications, including EV1 or EV6 injector connections and drive-by-wire control on select X Max kits. Find compatible Hemi wiring harnesses, too.

Shop Holley Terminator X and X Max service parts, including replacement ECUs, wiring harnesses, fuel injectors, sensors, and EFI accessories. Find components to service or expand your engine management system.