New 20% Over Injector

Features:

• Fits 2001-2004 Duramax LB7 6.6L engines
• 20% over stock fuel flow capacity
• 25 liters per minute fuel delivery
• Ideal for race and sled pull applications
• Provides extra fuel for performance builds
• Supports higher horsepower output
• Sold individually for custom setups
• Brand new, not remanufactured
• Refundable core charge with rebuildable cores
• Engineered for durability and reliability

Reliable Fueling for Serious Power Gains

If you’re looking to push your Duramax LB7 beyond stock performance without going over the top, the Industrial Injection 20% Over New Dragon Race1 Injector is the perfect step up. Built for 2001-2004 Silverado and Sierra 2500HD and 3500HD trucks, this injector delivers 25 liters per minute of fuel—giving your engine the extra supply it needs for racing, sled pulling, or aggressive tuning. Whether you’re dialing in your street performance or prepping for weekend competition, this injector helps unlock more power while keeping fueling reliable and consistent.

Brand New Injector with Refundable Core Program

This is a brand new injector, designed to replace worn or underperforming stock units while supporting higher horsepower goals. It’s sold individually, giving you the flexibility to build your setup one step at a time or all at once. Industrial Injection also offers a refundable core program when you return your original injectors in rebuildable condition, helping you save on your upgrade. Whether you’re chasing faster track times or pulling more weight down the track, these 20% over injectors give you the extra fuel your LB7 needs to perform when it counts.

Fits: 2001, 2002, 2003, 2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

📄 Download Core Return Form (PDF)