The Empire Performance EPE-NZL66-986435504-30 30% Injector Nozzle Set delivers the highest quality possible for your 2004.5-2005 GM 6.6L Duramax LLY. Empire Performance injector settings have been thoroughly tested to make sure there are no stones left unturned when it comes to performance. This Injector Nozzle Set is upgraded with a precise hone and EDM process to 30% - 50HP over stock. With supporting upgrades, one could expect enough fuel to reach 600-700 HP.
30% - 50HP Over
Sold As Complete Set
Built From New OE Nozzles
Supports 600-700HP (with supporting upgrades)
Nozzle upgrades are not recommended on high mileage injector bodies. It is highly recommended that this installation is done by a trained technician.