Product Description
S&S Diesel LBZ-500SAC-SET 500% Over (New) Injector Set — 2006–2007 GM Duramax 6.6L LBZ
Serious LBZ power starts with serious fuel. This brand-new S&S Diesel Motorsport® injector set uses SAC nozzles honed for approximately 500% over stock flow and is balanced as a matched set for smooth operation under extreme load. Built for dedicated competition applications.
Fitment
- 2006–2007 GM Duramax 6.6L LBZ — Chevy Silverado 2500/3500HD & GMC Sierra 2500/3500HD
- Set of 8 brand-new injectors with 500% over SAC nozzles
- Race/competition use only; custom tuning and extensive supporting mods required
What’s Included
- (8) S&S Diesel Motorsport brand-new LBZ common-rail injectors
- SAC performance nozzles honed for ~500% over stock
- Flow-matched and balanced set
Core policy: S&S listings indicate core returns are typically required on many injector offerings; verify if a core applies for your chosen configuration.
Recommended Parts
- Shop All S&S Diesel at CPP
- Duramax Injectors & Nozzles Category
- GM Duramax CP3 Pumps & Components
- Duramax Lift Pumps
- Duramax Fuel Filtration Upgrades
Helpful Notes
- Fuel supply: A quality lift pump and upgraded filtration are strongly recommended for injector longevity and stable rail pressure.
- Tuning: Custom calibration is required to manage idle quality, smoke, EGT, and overall drivability with 500% injectors.
- Emissions: For closed-course competition only. Verify local laws before purchase/use.
FAQ
Is this a complete set?
Yes. LBZ-500SAC-SET denotes a set of 8 brand-new injectors for the LBZ platform.
Do I need a lift pump and CP3 upgrades?
Yes. At 500% over, you should pair these injectors with a high-flow lift pump and a suitable CP3 (or dual fuelers), plus proper filtration.
Will factory tuning work?
No. Custom race tuning is required to control idle, pulse width, and rail pressure for this injector size.
Street legal?
No. These are intended for closed-course competition. Check local and federal regulations.
New vs. Reman?
This listing is for NEW injectors. Remanufactured versions are available separately if desired.