2001-2007 Duramax LB7/LBZ Injector Sets

Push your Duramax to the limit with Dynomite Diesel Performance Injectors. Whether you are seeking a reliable 50HP "Stock-Plus" increase for towing and efficiency, or a massive 300% over the competition for 1,200+ RWHP builds, these injectors are engineered for maximum impact. Utilizing advanced SAC nozzle technology on high-flow models, DDP injectors provide superior fuel atomization, crisper throttle response, and the durability required for high-horsepower diesel applications. Every set is precision-balanced and matched to ensure peak engine reliability on the street, the track, or the pulling pad.

• Every set is precision-balanced and flow-matched
• Options available from 20% (50HP) to 300% overflow for elite-level builds.
• High-flow models feature durable SAC-style nozzles
• Available in 100% Brand New (No Core Charge)
• Available in high-quality Remanufactured units
• Supports everything from daily driving to extreme competition-ready rigs
• Brand-new units carry a 2-year warranty
• Remanufactured units carry a 1-year warranty

• LB7 Identification (2001-2004): The fuel injector lines on the LB7 are notorious for rusting. We highly recommend replacing your injector lines during installation to prevent fuel system contamination and premature injector failure.
• Supporting Upgrades:
  • 50HP - 75HP (20-45% Over): Safe for stock trucks; a Pyrometer is recommended to monitor EGTs.
  • 60% Over and Up: Modified or dual CP3 pumps, high-flow lift pumps (200+ GPH), and significant turbocharger upgrades are mandatory.
  • Competition Sets (100% - 300% Over): Race use only. Custom tuning and a completed Race Waiver are required before the order can be finalized.
• Final Sale: Once installed, injectors are non-returnable and non-refundable due to sizing errors. Please confirm your power goals with your tuner before purchase.
• Emissions: Not for sale or use in California.

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