Product Description
S&S Diesel LB7-350SAC-R-SET — 350% Over Reman Injector Set (2001–2004 GM 6.6L Duramax LB7)
Serious fuel for serious LB7 builds. This S&S Diesel Motorsport remanufactured 350% over injector set (8) uses modern SAC-style nozzles and tight balancing for high-output Duramax applications that demand stable fueling and durability under extreme load.
Fitment
- 2001–2004 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD — 6.6L Duramax LB7 (set of 8 injectors)
Why S&S
- SAC-style nozzles and OE-grade processes for longevity and consistency.
- Balanced to tight tolerances for smooth operation at extreme flow rates.
- Built by common-rail specialists with proven racing pedigree.
What’s Included
- (8) Remanufactured S&S LB7 injectors — 350% over flow
- Set matched for balance
Recommended Supporting Parts (CPP Internal Links)
- Shop all S&S Diesel at CPP
- LB7 Injector Install Kits — seals, O-rings, hardware
- LB7 High-Pressure Injector Lines — replace aged lines during injector service
- Lift Pumps for LB7 — ensure steady supply when running large injectors
Installation & Notes
- Professional installation required; these injectors are intended for high-fuel builds.
- Verify emissions compliance for your intended use and location.
- Core policy: follow CPP core return instructions at checkout.
FAQ
Are these true “set of 8” matched injectors?Yes. They’re sold and balanced as a matched set for consistent fueling across all cylinders.
Do I need a lift pump or upgraded CP3 with 350% injectors?For this flow size, a quality lift pump and a high-output CP3 are strongly recommended to maintain rail pressure under load.
Are these suitable for daily-driven emissions-compliant builds?350% over injectors are generally for competition or off-road builds. Check local laws and select components appropriate for your goals.
Is tuning required?Yes. Custom calibration is required to properly command fuel and manage smoke/EGTs with injectors of this size.
