DDP DDPNLLY-150 DURAMAX 04.5-05 LLY BRAND NEW INJECTOR SET 60 PERCENT OVER

The DDP NLLY-150 Injector Set is the perfect solution for Duramax LLY owners aiming for elite horsepower without compromising fuel control. Flowing 150% over stock, these injectors provide the fueling needed for 1,100–1,300 HP, making them a great fit for compound turbo street/strip builds, drag trucks, and competitive sled pullers.

Crafted using remanufactured Bosch injector bodies, each set is EDM-modified and flow-balanced in-house by Dynamite Diesel Performance to ensure exacting precision, reliability, and performance at extreme power levels.

Vehicle Fitment

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD

• 2004.5–2005 GMC Sierra 2500HD / 3500HD

• Engine: 6.6L LLY Duramax

LLY engine only – Mid-year 2004.5 to 2005 models

Key Performance Features

• 150% Over Stock Fuel Flow

• Flow-Matched Set of 8 Injectors

• Supports 1,100–1,300+ Horsepower

•  Built from Genuine Bosch Reman Cores

•  EDM-Cut Nozzles for Precision Atomization

• Hand-assembled & tested in the USA

•  Backed by DDP’s limited 1-year warranty (competition use excluded)

Required Supporting Upgrades

To run the DDP NLLY-150 injectors properly, your build should include:

• Dual CP3s or a 12mm+ stroker injection pump

• 200+ GPH lift pump (FASS, AirDog, etc.)

• Large single or compound turbo setup

• Fully built transmission

• Custom EFI Live or MM3 tuning

• Upgraded intercooler, piping, and 4"/5" exhaust

• ARP head studs or better, and valve train upgrades

Not intended for daily driving or emissions-compliant setups. For race/off-road use only.

Why Choose DDP Injectors?

Dynamite Diesel Performance is known throughout the diesel community for delivering high-precision, competition-grade fuel system components. Their injectors are built to tighter tolerances than OEM, flow-tested and matched for maximum power and reliability across all eight cylinders.

Race-Ready Fueling for Your LLY Duramax

The DDP NLLY-150 Injector Set provides the fueling needed to support serious horsepower in a well-built LLY. Whether you're chasing ETs at the strip or throwing dirt at the track, DDP injectors are built to perform.