DDP DDPLB7-300 DURAMAX 01-04 LB7 REMAN INJECTOR SET 150 PERCENT OVER SAC NOZZLES

The DDP LB7-300 Injector Set is Dynamite Diesel Performance’s highest-flow offering for the 2001–2004 LB7 Duramax. Flowing a massive 300% over stock, these injectors are engineered to support 1,500+ horsepower with the precision and consistency needed for extreme racing environments like drag racing, sled pulling, and max-effort dyno builds.

This set is not for street use. Built using genuine Bosch bodies, DDP custom EDMs and balances each nozzle in-house to exacting standards. With proper support, this injector set delivers unparalleled power potential for purpose-built Duramax race trucks.

Vehicle Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD

• 2001–2004 GMC Sierra 2500HD / 3500HD

• Equipped with the 6.6L LB7 Duramax Diesel

Not for use on emissions-equipped vehicles or street-driven trucks
Race-only component requiring full custom tuning and supporting mods

Performance Highlights

• 300% Over Stock Fuel Flow – For all-out race builds

• Supports 1,500+ Horsepower

• Flow-Matched Set of 8 Injectors

•  Built from Genuine Bosch Reman Cores

•  EDM-Honed Nozzles & Modified Internals

• Assembled, balanced, and tested in-house by DDP

• 1-Year Limited Warranty (competition use excluded)

• Made in the USA

Required Supporting Mods

To safely and effectively run the DDP LB7-300 injector set, your build must include:

• Dual CP3s or 14mm stroker pumps

• 250+ GPH lift pump (AirDog, FASS)

• Built engine with O-ringed or fire-ringed heads

• Competition-grade transmission

• Large single or compound turbo setup (S400+ or twin setups recommended)

• Standalone or custom EFI Live tuning

• Upgraded fuel lines, intercooler, and air intake

• Dedicated race electronics and monitoring

Who These Are For

The DDP LB7-300 injectors are for builders seeking maximum performance and the ability to compete at the highest level in diesel motorsports. They are not designed for daily driving or towing — this is a race-only injector for trucks where every drop of fuel counts.

Unleash the Full Power of Your LB7 Duramax

If you’re chasing the podium or pushing the limits of LB7 performance, the DDP LB7-300 Injector Set delivers the firepower you need to get there — with the reliability and precision only Dynamite Diesel Performance can offer.