2004.5-2005 Duramax Stage 6 100% Over Injector Nozzle (0433171860-R6)

Industrial Injection Stage 6 100% over injector nozzle for the 2004.5-2005 LLY 6.6L Duramax. Sourced direct from the OE supplier and extrude-honed in-house so each nozzle in the set is balanced and flow-matched.

The R6 spec flows 42 LPM — double the stock rate. Aimed at higher-output LLY builds running supporting fuel and air; properly tuned, it delivers more fuel into the cylinder while keeping atomization clean. Direct bolt-in form factor.

• Stage 6 — 100% over stock flow / 42 LPM
• Built with brand-new OE Spec Plus parts
• Extrude-honed and balance-matched across the set
• Improved atomization and lower EGTs
• Direct replacement for the factory nozzle
• Tested on a state-of-the-art test stand
• Includes a new copper crush washer
• 1-year unlimited-mileage warranty
• Part Number: 0433171860-R6

• Sold individually
• No core required