Product Description
S&S Diesel LBZ-45SAC-R-SET 45% Over Injector Set (Reman) — 2006–2007 GM Duramax 6.6L LBZ
Step up fueling on your LBZ with a matched, 45% over SAC-nozzle injector set from S&S Diesel Motorsport. Each injector is precision honed and balanced as a set for consistent, smooth performance, with options offered by S&S in both new and reman bodies—this part number is the reman set. Core return required.
Fitment
- 2006–2007 Chevrolet Silverado/GMC Sierra 2500HD & 3500HD
- Engine: 6.6L Duramax LBZ
What’s Included
- (8) S&S Diesel Motorsport LBZ injectors — 45% over SAC-nozzle, reman bodies
- Flow-tested and balanced as a set for tight variance
- Core return documentation (core charge applies)
Recommended Parts (internal links)
- GM Duramax Injectors & Nozzles — compare injector options for LBZ.
- Exergy 12mm Stroker CP3 (LBZ-Based) — 06–07 LBZ — added supply for larger injectors.
- Fleece PowerFlo In-Tank Lift Pump — 04.5–07 LLY/LBZ — stable low-side supply.
- AirDog II-5G DF-100 — 01–10 LB7/LLY/LBZ — premium air/fuel separation.
- Shop All S&S Diesel at CPP — injectors, pumps, and more.
Helpful Notes
- Tuning is recommended when stepping to 45% over injectors to manage fueling and smoke, and to realize power gains.
- Verify emissions and local regulations for modified fueling components.
FAQ
- Will these fit my 2006–2007 LBZ without additional hardware?
Yes, these are direct-fit LBZ injectors for 2006–2007 Duramax applications. Supporting mods (lift pump/CP3) are recommended for best results. - Do I need custom tuning for 45% over injectors?
Yes. Larger injectors generally require tuning to dial in pulse width, idle quality, smoke control, and overall driveability. - Are these truly balanced as a set?
S&S flow-matches and balances sets to tight tolerances for smooth operation and consistency across cylinders.
