DDP DDPNLLY-200 DURAMAX 04.5-05 LLY BRAND NEW 100 PERCENT OVER SAC INJECTOR SET

The DDP NLLY-200 Injector Set is designed for Duramax owners building serious race trucks. Delivering 200% more fuel than stock, these injectors are capable of supporting 1,300–1,500+ horsepower, making them ideal for drag racing, sled pulling, and max-effort competition builds.

These aren’t generic mass-produced injectors — DDP uses genuine Bosch LBZ-style bodies modified with EDM-cut nozzles, honed internals, and meticulous flow-balancing to guarantee precision fueling under extreme load and RPM.

Vehicle Fitment

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD

• 2004.5–2005 GMC Sierra 2500HD / 3500HD

• With 6.6L LLY Duramax Engine (mid-year 2004.5 and 2005 only)

Race Use Only – Not for Emissions-Equipped or Street-Driven Trucks
Requires extensive engine and fuel system upgrades

Performance Features

• 200% Over Stock Fuel Flow – Extreme fueling for high-horsepower builds

• Flow-Matched & Balanced – For consistent power delivery

• Supports 1,300–1,500+ HP – With proper air/fuel support

• EDM-Honed Nozzles + Modified Internals

•  Based on Genuine Bosch Reman Cores

•  Assembled and tested in the USA by DDP’s expert team

•  Backed by a limited 1-year warranty (Excludes competition use failures)

Required Supporting Modifications

To operate this injector set reliably and effectively, your build should include:

• Dual CP3 or high-flow stroker pump

• 250+ GPH lift pump system (AirDog or FASS recommended)

• Large-frame single or compound turbo setup (S400+ recommended)

• Built transmission with billet internals

• EFI Live or MM3 custom tuning

• O-ringed or fire-ringed heads with ARP or stronger head studs

• Upgraded intercooler, intake piping, and 4" or 5" exhaust system

Why Choose DDP?

Dynamite Diesel Performance has long been a trusted name in premium diesel fuel system components, delivering unmatched precision and race-winning reliability. Their injectors are handcrafted in the USA, tested, balanced, and verified to flow accurately across all cylinders — a must for high-performance and race applications.

Take Your LLY Duramax to the Finish Line

The DDP NLLY-200 Injector Set is built for serious racers and diesel builders who want nothing less than max power and performance. If you're chasing records or building a dedicated competition truck, this is your injector set.