INDUSTRIAL INJECTION 0433171985-R6 GM EXTRUDE HONED INJECTION NOZZLE - 2007.5-2010 6.6L LMM DURAMAX - 34 LPM (RACE 6 / ~100%)

Turn up your LMM fueling with Industrial Injection's Extrude Honed Nozzle - 34 LPM (Race 6). Precisely honed OE-supplier Bosch tip for clean atomization, lower EGT potential, and big-power headroom when paired with proper tuning and air supply.

Fitment

• 2007.5-2010 Chevrolet Silverado/GMC Sierra 2500HD/3500HD 6.6L LMM Duramax

What's Included

• (1) Extrude-honed injector nozzle - 34 LPM (Race 6 / ~100%)
• (1) New copper crush washer

Key Features

• OE Bosch base nozzle honed and flow-balanced by Industrial Injection
• 34 LPM sizing supports major fuel flow with proper supporting mods
• Balanced set sizing minimizes cylinder-to-cylinder variance when replacing all eight
• 1-year, unlimited mileage warranty (manufacturer)

Recommended Parts (CPP Internal Links)

• S&S Diesel CP3 (LBZ/LMM) - higher rail supply for bigger nozzles
• Industrial Injection “Bag of Parts (LBZ/LMM) - volume increase kit
• Shop All Duramax Injectors / Nozzles

Cross-Reference / Alternatives (LMM Nozzles)

• 0433171985-R5 - 30 LPM (Race 5)
• 0433171985-R4 - 26 LPM (Race 4)
• 0433171985-R3 - 24 LPM (Race 3)

Helpful Notes

• Sold individually. For best results, replace as a full matched set of 8 and calibrate as needed.
• Requires proper tuning and adequate CP3/lift-pump supply. Monitor rail pressure and EGT.
• Competition use only where permitted; customer is responsible for emissions compliance.

FAQ

With correct tuning, air system, and fuel supply, Race 6 nozzles can support large power increases. Results vary by turbo(s), intercooling, and engine health.

They can be installed, but larger single or compound turbos are recommended to control EGT and fully utilize the added fuel flow.

Yes - a new copper crush washer is included for each nozzle.

No. These performance nozzles are for closed-course competition where allowed. Verify local, state, and federal regulations before purchase/use.