DDP LB7-300 Remanufactured 150% Over Injector Set

Unlock serious fueling potential on your 2001–2004 6.6L LB7 Duramax with the Dynomite Diesel (DDP) LB7-300 remanufactured injector set. This complete set of eight injectors uses SAC-style nozzles sized 150% over stock plus injector-body modifications for substantially increased fuel delivery, precise atomization, and consistent cylinder-to-cylinder performance.

These injectors are built for high-output applications and are capable of supporting 1,250+ rear-wheel horsepower when paired with the required supporting modifications. They are flow-matched and balanced as a set for smooth, even operation under heavy load.

Key Features

• Remanufactured, high-flow LB7 injectors
• SAC nozzles at 150% over stock
• Modified injector bodies for added fuel volume
• Balanced and flow-matched set of 8
• Supports 1,250+ RWHP with proper supporting mods
• 1-year unlimited-mileage warranty

Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD
• 2001–2004 GMC Sierra 2500HD / 3500HD
• 6.6L LB7 Duramax diesel

Required Supporting Modifications These injectors are intended for racing and dedicated high-performance use. A modified or dual CP3 high-pressure fuel pump, upgraded turbocharger(s), and custom tuning are mandatory. They are not recommended for stock or lightly modified street trucks.

Installation Note LB7 injector lines are prone to rust and contamination that can damage new injectors. Strongly consider replacing the lines if they have not been changed in the last 40,000–50,000 miles.

A core charge applies. Sold as a complete balanced set.