INDUSTRIAL INJECTION 0433171924-R4 GM LBZ DURAMAX EXTRUDE-HONED INJECTION NOZZLE — 2006–2007 6.6L — 30 LPM (RACE 4)

Add consistent, 30 LPM (≈50% over) fuel delivery to your LBZ with the Industrial Injection 0433171924-R4 extrude-honed injector nozzle. Each OE-sourced Bosch nozzle is precisely honed and calibrated for clean atomization and repeatable flow—ideal for trucks with supporting air and fuel mods.

Fitment

• 2006–2007 GM 6.6L Duramax LBZ (VIN “D”)

What’s Included

• (1) Extrude-honed LBZ injector nozzle — 30 LPM (Race 4)

Sold individually; order 8 nozzles for a complete set.

Key Features

• OE Bosch nozzle, precision extrude-honed to 30 LPM
• Improved atomization for cleaner, higher-output fueling
• Supports tuned, turbo/airflow-upgraded applications

Recommended Parts (CPP Internal Links)

• Injector Return Line Kit — LLY/LBZ/LMM (Bostech ISK637)
• Injector Return Line Kit — LLY/LBZ/LMM (DTECH DT660023)
• CP3 Pumps & Components — GM Duramax
• PPE Dual Fueler Twin CP3 Kit — 2006–2010 LBZ/LMM
• Shop All Duramax Injectors & Nozzles

Cross-Reference / Alternatives (LBZ)

• 0433171924-R1 — 24 LPM
• 0433171924-R2 — 26 LPM
• 0433171924-R3 — 38 LPM
• 0433171924-R5 — 35 LPM
• 0433171924-R6 — 40 LPM
• S&S Diesel 30% Over NEW Injector Set — LBZ

Helpful Notes

• Professional installation and custom calibration recommended for best drivability and smoke control.
• Verify nozzle balance and cleanliness during install; replace return lines/seals as needed.
• Competition use only where required by law.

FAQ

Nozzles are sold individually. Order eight (8) for a complete engine set.

30 LPM (~50% over) typically supports moderate performance builds with a healthy turbo and CP3 supply. Actual gains depend on air, tuning, and overall health of the fuel system.

For sustained high fuel demand, a high-output or dual-CP3 setup is recommended. See the CP3 category and twin-pump kits linked above.

Yes, this R4 nozzle is designed for 2006–2007 LBZ. See Cross-Reference for other sizes and for LMM-specific nozzles.