DDP DDPLB7-50 DURAMAX 01-04 LB7 REMAN INJECTOR SET 25 PERCENT OVER 50HP

The DDP DDPLB7-50 Injector Set is designed for Duramax LB7 owners who want a significant power increase without sacrificing drivability or reliability. Flowing 50% more fuel than stock, these injectors are perfect for daily-driven performance builds, light competition, or towing with power to spare.

Each injector is precision-built using remanufactured Bosch bodies, then EDM modified and flow-matched in-house by Dynamite Diesel Performance for optimal balance and performance across all cylinders.

Vehicle Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD

• 2001–2004 GMC Sierra 2500HD / 3500HD

• Must have 6.6L LB7 Duramax engine

Key Features

• 50% Over Stock Flow Rate – Ideal for hot street and towing setups

• Complete Flow-Matched Set of 8 Injectors

•  Built from Genuine Bosch Reman Cores

•  EDM-Nozzles for Clean Spray Patterns

•  Assembled, tested, and balanced in the USA

•  1-Year Warranty (excludes competition damage)

•  Not for use on emissions-equipped vehicles

Recommended Upgrades

To fully utilize the 50% over injectors, DDP recommends:

• 10mm CP3 injection pump or dual fueler setup

• 150+ GPH lift pump (FASS or AirDog)

• Custom EFI Live or MM3 tuning

• Upgraded turbo (S366, S467.7, or similar)

• Transmission tuning or full build (for over 600 HP)

• ARP head studs (recommended)

Ideal Applications

•  High-Performance Daily Drivers

•  Weekend Street Warriors

•  Heavy Towing with Extra Muscle

•  Entry-Level Competition or Dyno Builds

Upgrade Your LB7 with Confidence

The DDP DDPLB7-50 Injector Set offers the perfect blend of performance, reliability, and drivability. Whether you’re towing, tuning, or tearing up the track on weekends, DDP’s industry-leading injector craftsmanship ensures your LB7 performs at its best.