Product Description
S&S Diesel LBZ-250SAC-R-SET 250% Over Injector Set (Reman) — 2006–2007 GM Duramax 6.6L LBZ
Built for serious power on the 2006–2007 Duramax 6.6L LBZ, this 250% over remanufactured injector set from S&S Diesel Motorsport uses SAC nozzles, tight flow matching, and OE-level test procedures to deliver massive fuel and clean rate shape for competition builds. Sets are balanced and calibrated so you can focus on dialing in air and tuning.
- Set of 8 S&S LBZ injectors with SAC nozzles (250% over)
- Flow-matched set; injection profiles aligned and verified
- Built from Bosch reman bodies to S&S specs
- Intended for high-output, competition applications
Fitment
- 2006–2007 Chevrolet Silverado/Sierra 2500HD/3500HD — Duramax 6.6L LBZ
What’s Included
- (8) Remanufactured S&S LBZ Injectors — 250% Over (LBZ-250SAC-R-SET)
- Calibrated, flow-matched set with documentation
- Core return required (per supplier policy)
Recommended Parts (CPP Internal Links Only)
- Duramax Injectors & Nozzles Category
- Fleece PowerFlo In-Tank Lift Pump (2004.5–2007 LLY/LBZ)
- FASS Titanium Signature Series (2001–2010 Duramax)
- Shop All S&S Diesel at CPP
Helpful Notes
- Substantial supporting mods required: high-flow lift pump, built fuel system, turbo(s), and custom tuning.
- Competition/off-road use only. Verify local laws before purchase/install.
- Return policy and core details per product page at checkout.
FAQ
Are these injectors suitable for daily driving?At 250% over, these are competition-level injectors intended for race builds. Street use typically requires much smaller nozzle sizes plus extensive supporting mods and tuning.
What supporting parts do I need?Plan for a quality lift pump, adequate filtration, upgraded turbo(s), and custom tuning. See our recommended parts above to support fuel supply and system reliability.
Do these require tuning?Yes. Custom ECU calibration is mandatory to manage fueling, smoke, and drivability at this size.
Are cores required?Yes, a core return is typically required on remanufactured sets. Core charge and logistics are shown during checkout.
