If you want to return the item, please make sure the item is un-opened. Brand New With Box. 1989 -1993 Dodge Cummins 5.9L. If you are installing on a 1989-Early 1991 non-intercooled truck or any truck that has had the head replaced with a unit that has 9mm injector holes you will need the adapter sleeves. Above carefully to make sure it is what you need. 6 x Fuel Injectors as Pictured. Custom Duty’: Our price don’t include any’Custom Duty’. We can declare the value as your requirement. But we won’t afford any’Custom Duty’.