Holder's Premium Stage 5 225CC Injector - 6.0 Powerstroke (2003-2007) Nozzle:100% This kit connects your intercooler

This kit connects your intercooler cold side to your intake manifold

We offer Early 99 plenum boots as well (***You must send email in with order number to request getting e99 plenum boots instead of the standard plenum boots***)

Assassin Series Rods are near as factory weight forged rod with minimal machining

If you have or want bigger injectors

DO NOT BUY IF YOU DON'T UNDERSTAND HOW COMPOUND KITS WORK and how they should be installed

Holder's Premium Stage 5 225CC Injector - 6.0 Powerstroke (2003-2007) Nozzle:100% This kit connects your intercooler***Must send in cores first or add refundable core charge to your order*** These are a hot street competition injector. They displace 225cc of fuel and we pair these with 75% 100% nozzles. The smaller nozzle will help with fuel atomization and for driving on the street while the larger nozzle would be better for top end power. We do not recommend towing with this injector unless you have very extensive modifications. You will need fuel system upgrades