Product Description
S&S Diesel LBZ-45SAC-SET 45% Over Injector Set (NEW) — 2006–2007 GM Duramax 6.6L LBZ
Build reliable fuel flow for your LBZ. This brand-new S&S Diesel Motorsport 45% over SAC injector set is precision-built, flow-matched, and balanced as a set for smooth idle quality and consistent cylinder-to-cylinder fueling.
Fitment
- 2006–2007 Chevy Silverado/GMC Sierra 2500HD & 3500HD
- Engine: 6.6L Duramax LBZ
What’s Included
- (8) Brand-new S&S Diesel Motorsport LBZ injectors — 45% over SAC nozzles
- Matched set, flow-balanced
- Install notes/documentation
Recommended Supporting Parts
- Shop All S&S Diesel at CPP
- LBZ Injector Install Kit & Seals
- LBZ Injector Return Line Kit
- Duramax Lift Pump (for consistent supply)
- LBZ CP3 Pump/Upgrades
Helpful Notes
- Core policy: S&S commonly requires core returns on injector programs; verify at checkout.
- Professional installation and appropriate calibration are recommended for best results.
- Verify local emissions regulations before modifying any vehicle used on public roads.
FAQ
-
Are these injectors brand new or reman?
This listing is for a brand-new set. S&S also offers reman options separately.
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How much more fuel will 45% over provide?
They are sized at approximately 45% greater nozzle flow than stock, suitable for higher power goals with proper supporting mods.
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Are the injectors matched and balanced?
Yes—S&S balances sets and aligns rate shape to promote smooth operation and consistent performance.
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Do I need tuning?
Recommended. Any significant increase in fuel delivery benefits from calibration to optimize power, drivability, and smoke control.
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What else should I upgrade?
A quality lift pump, fresh filters, and a healthy CP3 help maintain rail pressure and protect the injectors.
