S&S DIESEL LMM-60SAC-SET 60% OVER INJECTOR (NEW) — 2007.5–2010 GM DURAMAX 6.6L LMM

S&S Diesel LMM-60SAC-SET 60% Over Injector (New) — 2007.5–2010 GM Duramax 6.6L LMM

Unlock precise fueling and dependable power with a brand-new S&S Diesel Motorsport 60% Over Injector set for the LMM. Each set of eight injectors is built to OE standards, flow-matched and balanced for consistency, and uses S&S’s proprietary SAC nozzle process for clean, repeatable injection events.

• Complete new set (8) of S&S LMM injectors — 60% over SAC nozzles.
• Flow-matched and balanced to tight tolerances for smooth operation.
• Engineered for 2007.5–2010 GM Duramax 6.6L LMM applications.
• Built to OE standards with S&S Motorsport quality.

Fitment

Chevrolet Silverado / GMC Sierra 2500HD/3500HD with 6.6L Duramax LMM, model years 2007.5–2010. (Direct replacement injector set; tuning and supporting mods recommended for best results with 60% over nozzles.)

What’s Included

• (8) New S&S Diesel LMM injectors — 60% over SAC nozzles
• Installed nozzle assemblies and new sealing components as provided by S&S
• Documentation & flow data (as provided by S&S)

Recommended Parts & Related Categories

• Shop All S&S Diesel at CPP
• Duramax Fuel Injectors (Category)
• Fuel System Upgrades (Lift Pumps, Filtration, Lines)
• Filtration & Filter Kits

Helpful Notes

• Core policies and injector setup vary by supplier; review documentation included with your injectors.
• For 60% over nozzles, matching airflow, lift pump supply, and calibration are recommended.

FAQ

This listing is for the brand-new set (LMM-60SAC-SET). S&S also offers reman options through select dealers.

It indicates a ~60% increase in nozzle flow versus stock, enabling higher fuel delivery when paired with the proper supporting mods and tuning.

Yes, tuning and supporting fuel/air mods are strongly recommended to take advantage of the added flow and maintain drivability.

Yes — they’re designed for the 6.6L Duramax LMM in 2007.5–2010 Silverado/Sierra 2500HD/3500HD.