Product Description
Turn your LB7 into a fueling monster. The Industrial Injection 0986437303DDSE Double Dragon 120% CP3 is a high-output, remanufactured pump engineered for race/competition builds on 2001-2004 GM 6.6L Duramax LB7. It's a drop-in upgrade that more than doubles stock fueling when paired with proper supporting mods.
- 2001-2004 Chevrolet Silverado/Sierra 2500/3500 HD, 6.6L Duramax LB7 (CP3 systems)
Notes: Intended for trucks with significant fueling/air mods (injectors, turbo, lift pump, tuning). Like-for-like core required.
Why Choose the Double Dragon 120%?
- Massive output for competition/race applications (120% over stock CP3).
- Remanufactured from genuine CP3 cores and built by Industrial Injection.
- Direct bolt-in for LB7 CP3 platforms (no fabrication required).
Recommended Supporting Parts (CPP Internal Links)
- LB7 Performance Injectors
- Lift Pump (LB7)
- CP3 Install Kit / Seals
- High-Pressure Injector Lines
- Custom Tuning (LB7)
- More Industrial Injection LB7 Parts
UPC/GTIN source: 840256903171.
Helpful Notes
- Strongly recommended: lift pump to ensure adequate low-pressure feed.
- Verify injector health and rail components before installation.
- Not CARB legal for on-road use in California.
FAQ
Will this fit my LB7 without custom fabrication?Yes. It's a direct replacement CP3 for LB7 platforms (01-04). Supporting mods are required to take advantage of the added fuel.
Do I need a lift pump?Yes, a quality lift pump is highly recommended to maintain adequate inlet supply to the high-pressure pump at elevated demand.
How big are the gains?Output is ~120% over stock CP3 capacity. Actual horsepower depends on turbo, injectors, tuning, and overall setup.
Is there a core charge?Yes. Like-for-like core required; vendors commonly list a refundable core (e.g., $300) after acceptable core return.
Is this CARB legal?No. Competition/race-use only for on-road vehicles in emissions-regulated areas.
| Brand | Industrial Injection |
| Part Number | 0986437303DDSE |
| GTIN | 840256904529 |
| UPC | 840256904529 |
| Engine Compatibility | 2001–2004 GM 6.6L Duramax LB7 |
| Configuration | Double Dragon 120% over stock CP3 fuel pump; high-flow stroker design; supports extreme racing fuel demand |
| Country of Origin | USA (assembled) |
| Core Charge | $400.00 refundable core (due at purchase) |
| Shipping Method | Standard ground (FedEx or UPS) |
| Shipping Weight | Approx. 20 lb (9.1 kg) |
| Package Dimensions | Approx. 14" × 12" × 8" |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |