Product Description
Clean, calibrated fueling for your 2007.5-2010 LMM. Industrial Injection's 20 LPM extrude-honed Bosch-style nozzle delivers smooth atomization and matched flow for towing, street, or entry-level race builds when paired with proper air and tuning.
Fitment
- 2007.5-2010 GM 6.6L Duramax LMM (Silverado/Sierra 2500HD/3500HD)
What's Included
- (1) Extrude-honed injector nozzle - 20 LPM (Race 1)
- New copper crush washer
Sold individually; order 8 for a full engine set.
Key Features
- Extrude-honed & flow-balanced for consistent cylinder-to-cylinder fueling
- OE-spec plus nozzle body, individually tested before shipment
- Designed to support lower EGTs with proper air and calibration
- Direct-fit LMM replacement when installing with qualified tools and procedures
- Competition use only-check local/State/Federal emissions laws
Recommended Parts (CPP Internal Links)
- Injector Return Line Kit - 2004-2010 LLY/LBZ/LMM
- S&S NEW LBZ-Based CP3 (Fits 2001-2010 incl. LMM)
- AirDog II-5G DF-100 Lift Pump - 2001-2010 Duramax
- PPE Dual-Fueler Kit w/ Pump - 2006-2010 LBZ/LMM
- Shop All Duramax Injectors & Nozzles
Cross-Reference / Alternatives
- 0433171985-R2 - 22 LPM
- 0433171985-R3 - 24 LPM
- 0433171985-R4 - 26 LPM
- 0433171985-R5 - 30 LPM
- 0433171985-R6 - 34 LPM (Race 6)
Helpful Notes
- Professional install strongly recommended. Verify injector health and rail pressure control before nozzle changes.
- Pair with adequate turbo/airflow and a quality lift pump for best EGT control and rail stability.
FAQ
Is tuning required after installing 20 LPM nozzles?Yes-proper calibration is recommended to match pulse width, pilot injection, and rail pressure for clean power and safe EGTs.
How many nozzles do I need?Eight per engine. This listing is sold individually.
What comes with the nozzle?A new copper crush washer is included. Always replace seals as required and leak-check the return system.
Are these legal for road use?No. These are competition components. Confirm local, state, and federal compliance before purchase/installation.
| Specifications for INDUSTRIAL INJECTION 0433171985-R1 | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0433171985-R1 |
| GTIN | 00840256900552 |
| UPC | 840256900552 |
| Engine Compatibility | 2007.5–2010 GM 6.6L Duramax LMM (Chevrolet Silverado/GMC Sierra 2500/3500) |
| Configuration | Extrude Honed Injector Nozzle (Race 1), 20 LPM, ~20% over stock |
| Country of Origin | Not specified |
| Core Charge | No core charge |
| Shipping Weight | ~1 lb (package) |
| Package Dimensions | Approx. 10" × 3" × 4" |
| Shipping Method | Standard Ground (parcel) |
| Prop 65 Warning | This product can expose you to chemicals including lead and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more. |
