These will fit the old style injector for your 2004.5-07 5.9L truck. It matches nozzles number 5500. This is a complete kit that includes the nozzle install tool, 6 nozzles, and 6 copper o-rings.

-Great addition to go along with the Bag-O-Parts for the 5.9L dodge.

-Maximizes your fuel more efficiently, better atomization

-Great for the daily driver looking to increase mileage and bottom end performance for towing.

-Can be used with stock injection pump, but the bag o parts makes a great addition along with the extra 60hp injector nozzles.

-Extrude Honed Balanced matched for best results