Holder's Premium Stage 7 400CC Hybrid Injectors - 7.3 Powerstroke (1995-2002) 2003 This winning O-ring setup survived

This winning O-ring setup survived Diesel Power Magazine’s DPC torture test

Send In Cores First We will build from your cores and will not ship until we receive them to build from

The design of the patented AirDog II-5G features many innovative improvements for increased pump performance

Assuming your factory CP4 pump is in good condition

To eliminate deformation and extrusion only AMS 642 bronze alloy is used within the wrist pin housing bore

Holder's Premium Stage 7 400CC Hybrid Injectors - 7.3 Powerstroke (1995-2002) 2003 This winning O-ring setup survivedThese are our stage 7 hot competition injector. They displace 400cc of fuel and are all a single shot style hybrid injector. The hybrid injectors allow you to deliver more fuel with less high pressure oil. You will need custom tuning for these to run to their full potential. We recommend running a 200 400% nozzle with these depending on your goals. The smaller nozzle will help with fuel atomization and controlling EGTs for towing while the larger