2004.5-2005 Duramax DragonFly 50HP Nozzle (0433171860DFLY)

Industrial Injection's DragonFly 50HP nozzle for the 2004.5-2005 LLY Duramax is sourced direct from the OE supplier and then extrude-honed in-house to balance and match the set. It's an entry-level performance step over stock that picks up power, sharpens atomization, and keeps EGTs in check.

• 50HP gain / 15% over / 24 LPM flow rate
• Built with brand-new OE Spec Plus parts
• Improved atomization for better combustion
• Direct replacement for the OE nozzle
• Tested on a state-of-the-art test stand
• Includes a new copper crush washer for installation

• Sold individually — order eight (8) for a complete engine set.

• 1-year unlimited mileage warranty.