Product Description
S&S Diesel LBZ-300SAC-R-SET 300% Over Injector Set (Reman) — 2006–2007 GM Duramax 6.6L LBZ
Turn your LBZ into a true competition-capable build. The S&S Diesel LBZ-300SAC-R-SET is a 300% over, SAC-nozzle remanufactured injector set (8) that’s balanced and flow-matched for precise delivery under extreme fueling demands. Designed for serious power with proper supporting mods, custom calibration is required.
Fitment
- 2006–2007 Chevy/GMC 2500HD/3500HD with 6.6L Duramax LBZ
- Direct replacement style for LBZ fuel system with competition-level flow
What’s Included
- (8) Remanufactured S&S Diesel 300% Over SAC Injectors — matched as a complete set
- Installed SAC nozzles and new sealing hardware (as provided by S&S)
- Documentation/spec sheet (as provided by S&S)
Recommended Supporting Parts
For best results and engine safety, pair these injectors with adequate fuel supply, air, and tuning:
- Shop All S&S Diesel at CPP
- Fuel Injectors & Components
- Fuel System Upgrades (lift pumps, filtration, lines)
- Turbochargers & Turbo Kits
- Tuners & Monitors
Installation & Notes
- Custom tuning required. These are high-flow competition injectors.
- Supporting mods required: high-capacity lift pump, upgraded CP3, appropriate turbo(s), and robust filtration.
- Core policy: Reman set requires serviceable cores; core charge may apply per seller terms.
- Emissions: Intended for sanctioned competition/off-road use where applicable laws permit.
FAQ
Do I need custom tuning for 300% over LBZ injectors?
Yes. Custom calibration is required to control pulse width, timing, and rail pressure with this much fuel.
What supporting mods are recommended?
At minimum: quality lift pump, upgraded/modified CP3, appropriate single or compound turbo(s), strong filtration, and monitoring.
Are these injectors street legal?
These are intended for competition/off-road use where permitted. Always check local and federal regulations.
Is a core charge required?
Yes. As a reman set, a refundable core charge and return of acceptable LBZ cores typically apply.
How are S&S sets matched?
Sets are balanced and flow-matched to tight tolerances for consistent cylinder-to-cylinder delivery.
