These will fit the old & new style injector for your 2003-2004.5 5.9L truck. This is a complete kit that includes the nozzle install tool, 6 nozzles, and 6 copper o-rings.

-Maximizes your fuel more efficiently, better atomization

-Must be used with Dual Cp3 pumps, 85% over Dragon Fire CP3, or our 120% over pump

-EDM AND Extrude Honed Balanced matched for best results

-Great performance for OVER 850hp

Please call us for info on package deals or for further information!