Product Description
S&S Diesel LMM-100SAC-SET 100% Over Injector (NEW) — 2007.5–2010 GM Duramax 6.6L LMM
Boost fueling headroom and injector consistency with a brand-new (not reman) S&S Diesel Motorsport 100% Over SAC injector set for the LMM. S&S calibrates on genuine Bosch equipment, flow-matches sets to tight tolerances, and uses a proprietary nozzle honing process for clean, consistent holes and OE-quality rate shape.
Fitment
- 2007.5–2010 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD
- 6.6L Duramax LMM
What’s Included
- Set of eight (8) brand-new S&S 100% Over SAC injectors (LMM-100SAC-SET)
- New sealing hardware (O-rings/copper washers) per S&S build spec
- Flow-match & calibration documentation (where provided by S&S)
Why CPP Diesel
- Diesel-specialist support for Duramax LMM platforms
- Only trusted brands like S&S Diesel Motorsport
- Clean, OE-style results with performance-grade components
Recommended Parts & Categories
- LMM Injector Install Kit — seals, lines, and hardware for a leak-free job.
- CP3 Pumps & Accessories for LMM — ensure the high-flow injectors have adequate supply.
- Lift Pumps for LMM — improve supply pressure and filtration.
- Shop All S&S Diesel at CPP — injectors, pumps, and more.
Helpful Notes
- Professional installation and proper calibration/tuning are recommended for 100% over injectors.
- Verify local and federal emissions regulations for your intended use.
- Core policies vary by seller; new bodies avoid reman core requirements.
FAQ
Are these injectors brand-new or reman?This specific set is brand-new, not remanufactured, built to S&S specifications with SAC nozzles and tight flow-matching.
Do I need tuning with 100% over injectors?Yes, calibration is strongly recommended to take full advantage of the increased flow while maintaining drivability and control.
Will these fit all 2007.5–2010 LMM trucks?Yes—Chevrolet Silverado and GMC Sierra 2500HD/3500HD models equipped with the 6.6L Duramax LMM engine.
What makes S&S injectors different?S&S uses a proprietary nozzle-honing process, aligns injection profiles, and calibrates on Bosch equipment to OE-level standards.
