Holley EFI Terminator EFI Input/Output Kit

This kit contains 4 extra input wires and 1 extra output wire that the base Terminator EFI harness does not contain.
PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.FeaturesAll late model, 2011+ naturally aspirated Coyote engines (5.0 and 5.2) including Cobra Jet and Boss 302. Also Including 2018+ DI CarsMachined Billet extrusions with laser etched “Holley EFI” LogoInjector Clip feature retained so factory injector clips can be re-used. This is important as the clips locate the injector radially for proper injector spray pattern onto valves.-8 ORB ports front and back1/8 NPT gauge ports machined directly into railMounting brackets and hardware included