Product Description
S&S Diesel LBZ-500SAC-R-SET 500% Over Injector Set (Reman) — 2006–2007 GM Duramax 6.6L LBZ
Built for extreme fuel demand, this 500% Over (Reman) injector set from S&S Diesel Motorsport uses precision SAC nozzles and rigorous flow matching to support serious LBZ builds when paired with the right air and fuel system upgrades.
Fitment
- 2006–2007 Chevrolet Silverado/Sierra HD with 6.6L Duramax LBZ
- Intended for competition/off-road builds with adequate air, fuel, and tuning
What’s Included
- Eight (8) S&S Diesel LBZ-500SAC-R-SET remanufactured injectors (500% over)
- Flow-matched set with SAC nozzles
Recommended Supporting Parts
- DURAMAX INJECTORS & NOZZLES — browse related LBZ injector options and hardware at CPP.
- FASS 165GPH LIFT PUMP (2001–2016 DURAMAX) — stable low-pressure supply for big injector setups.
- FASS 250GPH LIFT PUMP (2001–2016 DURAMAX) — higher-demand fuel supply for extreme builds.
- SHOP ALL S&S DIESEL AT CPP — match injectors with S&S CP3s and fuel system components.
- S&S DURAMAX CP3 (LBZ-BASED) — pair with higher-output CP3 for adequate rail supply.
Helpful Notes
- Professional installation and calibration are strongly recommended for 500% over injectors.
- Core return and/or core charges may apply on reman sets—plan your build timeline accordingly.
- Competition/off-road use may not be legal on public roads; check local regulations.
FAQ
Will these fit my 2006–2007 LBZ?
Yes—this set is designed for the 2006–2007 GM Duramax 6.6L LBZ platform.
Do I need a lift pump and CP3 upgrade?
For 500% over injectors, a quality lift pump and a high-output CP3 (or dual fuelers) are strongly recommended to maintain rail pressure.
Are these truly “flow-matched”?
S&S flow-matches injectors as a set and uses SAC nozzles designed for consistent hole geometry and rate shape, improving balance across cylinders.
Is tuning required?
Yes—custom tuning is required to safely utilize the added fuel and to control smoke, EGT, and driveability.
What about emissions compliance?
500% over injectors are intended for race/competition applications. Verify local and federal regulations before purchase/use.
