DDP DDPLB7-75 DURAMAX 01-04 LB7 REMAN INJECTOR SET 45 PERCENT OVER 75HP

The DDP LB7-75 Injector Set is the perfect step-up for Duramax LB7 owners who want serious power for high-performance street builds or weekend track duty. Flowing 75% more fuel than stock, this injector set supports up to 900 horsepower with proper fueling and airflow modifications.

These injectors are built using genuine Bosch remanufactured bodies, then precision EDM-nozzled and flow-matched by Dynamite Diesel Performance to ensure balanced delivery across all cylinders. Whether you're chasing better ETs or building a hot daily driver, these injectors deliver the fueling needed for big power — without stepping into full race territory.

Vehicle Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD

• 2001–2004 GMC Sierra 2500HD / 3500HD

• Equipped with the 6.6L LB7 Duramax Diesel

Requires custom tuning and supporting modifications
Not for use on emissions-equipped or stock-tuned trucks

Key Features

• 75% Over Fuel Flow – Built for aggressive street and strip power

• Flow-Matched Set of 8 Injectors

•  Built from Genuine Bosch Reman Cores

•  Balanced and tested in-house by DDP

•  1-Year Warranty (competition use not covered)

•  Assembled and tested in the USA

Recommended Supporting Mods

To get the most from your DDP LB7-75 injectors, DDP recommends:

• Stroker or dual CP3 fuel pumps

• 165–200+ GPH lift pump (FASS or AirDog)

• Custom EFI Live or standalone tuning

• Upgraded turbo system (S467.7, S472, or compounds)

• Built transmission (if exceeding 650 HP)

• ARP head studs, aftermarket intercooler, and intake

Ideal For

•  Performance-Oriented Daily Drivers

•  Street/Strip Builds

•  Weekend Sled Pullers or Dyno Competitors

•  LB7 Owners Targeting 750–900+ HP

Serious Power Starts with Fuel

If you're pushing your LB7 past the limits of stock components, the DDP LB7-75 Injector Set delivers the flow, reliability, and precision to get there. Backed by DDP’s craftsmanship and experience, these injectors are trusted by diesel enthusiasts across the country.