DDP DDPNLLY-100 DURAMAX 04.5-05 LLY BRAND NEW INJECTOR SET 45 PERCENT OVER 100HP

The DDP NLLY-100 Injector Set is ideal for Duramax LLY owners looking to unlock serious horsepower without compromising reliability. Delivering 100% more fuel than stock, this set is designed for trucks making 850–1,000+ horsepower, whether you're building a competition truck or an aggressive street/strip setup.

Each injector starts with a genuine Bosch core, and is EDM-modified, balanced, and flow-matched by the skilled technicians at Dynamite Diesel Performance for optimal performance and consistency across all cylinders.

Vehicle Fitment

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD

• 2004.5–2005 GMC Sierra 2500HD / 3500HD

• Equipped with 6.6L LLY Duramax Diesel

LLY engine only (mid-year 2004.5 through 2005 models)
Tuning and supporting modifications required

Key Features

• 100% Over Stock Fuel Flow

• Flow-Matched Set of 8 Injectors

• Supports 850–1,000+ HP Builds

•  Remanufactured with Genuine Bosch Cores

•  EDM-Honed Nozzles for Precision Spray Patterns

•  Hand-Built in the USA by DDP

•  Covered by a Limited 1-Year Warranty (excludes race failures)

Recommended Supporting Mods

To run the DDP NLLY-100 injectors effectively, you'll need:

• Upgraded CP3 (stocker or 10mm+ stroker)

• 165+ GPH lift pump (FASS, AirDog)

• Built transmission

• Custom EFI Live or MM3 tuning

• Larger turbo or compound system

• ARP head studs (recommended)

• Upgraded intercooler and exhaust

A well-rounded build is essential for making safe, usable power at this level.

Why Choose Dynamite Diesel?

With decades of competition-grade experience, Dynamite Diesel Performance is the go-to brand for serious Duramax builders. Every injector is tested and matched to deliver accurate, clean, and consistent fuel delivery, even under extreme load and RPM.

Fuel Your Next-Level LLY Build

Whether you're running on the track or tuning for high-output street performance, the DDP NLLY-100 Injector Set gives you the capability to hit the 1,000 HP mark with precision fueling and DDP's unmatched reliability.