DDP DDPLBZ-300 DURAMAX 06-07 LBZ REMAN INJECTOR SET 150 PERCENT OVER -

The DDPLBZ-300 injector set by Dynamite Diesel Performance is an extreme high-flow solution for 6.6L LB7 Duramax owners building serious race trucks. Flowing 300% over stock, these injectors are hand-built from brand-new OE injector bodies and meticulously calibrated for 1,300+ HP builds with proper fueling, air, and tuning.

These are not street-legal and are intended for dedicated competition use only. If you're chasing the podium or building a truck for all-out performance, this is your injector set.

Vehicle Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD

• 2001–2004 GMC Sierra 2500HD / 3500HD

• Equipped with 6.6L Duramax LB7 engine

 Race-use only – not emissions compliant
 Requires professional installation, tuning, and supporting mods
Not suitable for towing, commuting, or lightly modified trucks

Key Features

• 300% over injector flow – for extreme power levels

•  Flow-matched to within 1% for cylinder balance

•  Built from new OE injectors – no remans

•  Supports 1,300+ HP with proper setup

•  Built and calibrated in the USA

•  Core charge applies (core return required)

Required Supporting Mods

• Dual CP3 pumps or 14mm stroker pump

• High-volume lift pump (e.g., FASS 260GPH)

• Built engine with forged internals

• Compound or large-frame turbocharger system

• Custom EFI Live tuning or similar

• Upgraded transmission and driveline

 The DDPLBZ-300 injector set is for the boldest LB7 builds, where performance is everything and compromise isn’t an option. From drag strips to pulling tracks, these injectors are built to win.