Product Description
S&S Diesel LMM-30SAC-SET 30% Over Injector Set (NEW) — 2007.5–2010 GM Duramax 6.6L LMM
Unlock clean, consistent fueling and reliable power with the S&S Diesel Motorsport LMM-30SAC-SET 30% Over Injector Set (NEW). Each injector uses a SAC nozzle that’s precision honed and flow-matched as a set for smooth operation and balanced cylinder output.
Fitment
- 2007.5–2010 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD
- 6.6L Duramax LMM
- Direct-fit replacement set of 8 brand-new 30% over injectors
What’s Included
- (8) Brand-new S&S Diesel 30% over SAC-nozzle injectors
- Flow-matched and balanced as a complete set
- OE-style sealing hardware (as supplied by manufacturer)
Recommended Parts & Helpful Links
- GM Duramax Injectors & Nozzles (Category)
- GM Duramax Parts (All Generations)
- Shop All S&S Diesel at CPP
Notes
- Core policy, warranty, and injector grading depend on the specific option set by the manufacturer.
- Professional installation and proper calibration are recommended to realize best drivability and performance.
FAQ
Are these injectors brand new or reman?
This listing is for brand-new S&S injectors (NEW). If you need reman options, browse our Duramax injectors category for additional variants.
What does “30% over” mean?
It indicates approximately 30% more nozzle flow than stock, supporting higher fuel delivery with the correct tuning and supporting mods.
Will these fit all 2007.5–2010 LMM trucks?
Yes—these are built for 2007.5–2010 GM 6.6L Duramax LMM applications in Silverado/Sierra 2500HD and 3500HD models.
Do I need tuning?
Tuning is strongly recommended to match the increased injector flow and maintain proper rail pressure, timing, and emissions strategy.
Are the injectors flow-matched?
Yes—S&S flow-matches and balances sets for consistency and smooth operation.
