Product Description
Wake up your 2007.5–2010 LMM Duramax with the INDUSTRIAL INJECTION DragonFly reman injector (PN 0986435520SEDFLY). Flowing ~18 LPM (~15% over stock), each unit is honed, balanced, and built from genuine OEM components for crisp idle quality and clean power on stock or mild turbo setups.
Fitment
- 2007.5–2010 GM 6.6L Duramax LMM (Silverado/Sierra 2500HD/3500HD)
What’s Included
- (1) Remanufactured DragonFly injector, 18 LPM (15% over)
- New o-rings and copper crush washer (per injector)
Key Features
- Genuine OEM-based build with honed nozzle and balanced internals
- ~18 LPM flow supports ~50 HP over stock with appropriate tuning
- Designed to maintain driveability and fuel economy on stock turbo trucks
- Direct-fit replacement; stock electrical connector and tip style for LMM
Recommended Parts (CPP Internal Links)
- DTECH DT660023 Injector Return Line Kit (04.5–10 LLY/LBZ/LMM)
- Bostech ISK637 Return Line Kit (04–10 LLY/LBZ/LMM)
- Exergy 2000 Bar Rail Pressure Relief Valve (LLY/LBZ/LMM) — street
- Exergy 2400 Bar PRV or 2600 Bar PRV — race only
- Shop All Duramax Injectors & Nozzles
Cross-Reference / Alternatives
- Industrial Injection 0986435520SE — Stock LMM Injector
- Industrial Injection 0986435521SEDFLY — LLY/LBZ DragonFly 22 LPM
- S&S Diesel LMM 45% Over (Set)
- Dynomite Diesel LMM 20% Over (Set)
Helpful Notes
- Best results with proper tuning to match 18 LPM flow.
- Replace aged return lines to prevent leaks and balance rates issues.
- Observe core policy requirements when sending used injectors back (if applicable to your order).
FAQ
Is this a single injector or a set?This SKU is for a single reman DragonFly injector. Order quantity 8 for a full set.
How much power can 18 LPM support?Typically ~50 HP over stock with tuning and adequate fuel supply, while maintaining street manners on stock or mild turbo setups.
Do I need a lift pump?Not required for mild builds, but a quality lift pump and clean filtration are recommended for consistency and injector longevity.
Will these work with the factory CP3 and turbo?Yes. DragonFly 18 LPM injectors are designed to pair well with stock CP3 and turbo on LMM trucks when properly tuned.