The correct description is that of an electrical system or wiring relay kit, suitable for Ford engines and vehicles equipped with Excursion engine block modules.
A typical Ford F-250 F-350 F-450 F-550 E-250 E-350 E-450 vehicle often has a 7.3L V8 engine, so this product would be the best fit for these vehicles to upgrade or replace existing wiring relay kits that are compatible with Excursion engines.
