Product Description
Make more clean, reliable rail pressure on your LLY. The Industrial Injection 0986437308DF Dragon Fire 85% CP3 is a remanufactured, 10mm stroker pump that flows ~85% more than stock for the 2004.5-2005 GM 6.6L LLY Duramax. It's built from Bosch cores, calibrated to OE-Spec+ standards, and backed by a 1-year warranty. $300 refundable core charge applies. (85% over, 10mm stroker, fitment, warranty & core per manufacturer/retailer documentation.)
- Flows ~85% more than stock (Dragon Fire 85) for strong rail pressure with larger injectors and tuning.
- 10mm stroker internal upgrade, remanufactured from Bosch cores with OE-Spec+ calibration.
- Direct-fit for 2004.5-2005 LLY Duramax (Silverado/Sierra 2500/3500).
- 1-year warranty; $300 core charge (refundable on acceptable core).
Fitment
GM Duramax LLY (2004.5-2005): Chevrolet Silverado 2500/3500, GMC Sierra 2500/3500 - 6.6L LLY only. Not for LB7/LBZ/LMM.
What's Included
- Industrial Injection Dragon Fire 85% CP3 (P/N 0986437308DF)
- Installation O-rings/seals (as supplied by manufacturer)
- Core return instructions (core charge required)
Recommended Parts (internal links)
- Industrial Injection parts - pair with matched injectors/tuning.
- CP3 installation hardware & accessories
- Lift pumps (AirDog/FASS) to maintain supply pressure for high-flow CP3s.
- Diagnostics & tuning tools for proper setup and verification.
FAQ
Is tuning required with a Dragon Fire 85 CP3?It will run on stock calibration, but the pump's extra capacity is best utilized with proper tuning and matching injectors.
Do I need a lift pump with this CP3?Highly recommended for supply stability under load. See our lift pump options.
What is the core charge and how do I get it back?A $300 charge is added at purchase. Return an acceptable LLY CP3 core within the stated timeframe to receive a refund.
Is this legal for on-road use?Performance-modified pumps may not be CARB-approved; check local regulations before installation. Some retailers list these as not legal for sale in CA.
| Specifications for INDUSTRIAL INJECTION 0986437308DF | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0986437308DF |
| GTIN | 00840256903324 |
| UPC | 840256903324 |
| Engine Compatibility | 2004.5–2005 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax |
| Configuration | Remanufactured Modified CP3, 10mm “Dragon Fire 85%” (~85% over stock) |
| Country of Origin | USA |
| Core Charge | $300 (refundable per supplier policy) |
| Shipping Weight | 19 lb |
| Package Dimensions | 11" × 9" × 14" |
| Shipping Method | 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 and birth defects or other reproductive harm. Learn More |
