Product Description
S&S Diesel LMM-80SAC-SET 80% Over Injector (NEW) — 2007.5–2010 GM Duramax 6.6L LMM
Step up fueling on your LMM the right way. The S&S Diesel LMM-80SAC-SET is a brand-new (not reman) set of eight injectors with SAC nozzles honed to deliver ~80% more flow over stock. Each set is built, matched, and balanced for smooth running and consistent cylinder-to-cylinder fueling.
- Set of 8 brand-new S&S injectors (SAC nozzle, ~80% over stock) — not reman.
- Flow-matched and balanced as a set for consistent performance.
- OE-level quality control and build practices for durability.
- Ideal for performance builds that require additional fuel with proper supporting mods.
Fitment
2007.5–2010 Chevrolet Silverado/GMC Sierra 2500HD/3500HD with 6.6L Duramax LMM.
What’s Included
- (8) S&S Diesel LMM-80SAC-SET injectors — brand-new bodies with SAC nozzles
- Matched/balanced injector set documentation
Recommended Parts
- DURAMAX INJECTORS — browse complementary injector options and sizes.
- FUEL SYSTEM — lift pumps, filters, and lines to support higher flow.
- TUNERS & PROGRAMMERS — required to properly calibrate increased injector flow.
- SHOP ALL DURAMAX — build out the rest of your LMM package.
Helpful Notes
- Professional installation and calibration are strongly recommended.
- Higher-flow injectors require adequate lift-pump supply, filtration, and tuning.
- Verify emissions compliance for your use-case and locale before purchase/installation.
FAQ
-
Are these injectors brand-new or remanufactured?
This kit uses brand-new injector bodies with SAC nozzles (not reman), sold as a matched set of eight. -
Do I need tuning with 80% over injectors?
Yes. Proper ECM calibration is required to control fueling, idle quality, and smoke, and to realize performance gains. -
What supporting mods are recommended?
At minimum, a quality lift pump, upgraded filtration, sound high-pressure fuel system components, and a proven tune. See our Fuel System and Tuners categories above. -
Will these fit all 2007.5–2010 LMM trucks?
Yes—Chevy Silverado and GMC Sierra 2500/3500 HD models equipped with the 6.6L Duramax LMM.
