A tray configured to support a fuel injector wiring harness is disclosed. The tray may include a first end, a second end opposite the first end, a bottom wall extending between the first end and the second end, and the bottom wall may be configured to support the fuel injector wiring harness above a rocker arm support. Moreover, the tray may include a tab outwardly extending from the tray, and the tab may include a top surface, a bottom surface opposite the top surface, and an aperture extending between the top surface and the bottom surface. The aperture may be configured to circumscribe a stud upwardly extending from the rocker arm support.