Product Description
S&S Diesel LMM-150SAC-SET 150% Over Injector (NEW) — 2007.5–2010 GM Duramax 6.6L LMM
Built for serious power builds, this brand-new S&S Diesel Motorsport injector set uses SAC nozzles and tight flow matching for consistent, competition-ready fueling. Each set is balanced to deliver smooth operation and repeatable results. Core return may apply per program terms.
Fitment
- GM Duramax LMM 6.6L — model years 2007.5–2010 (Silverado/Sierra 2500HD/3500HD).
- Direct replacement performance injectors for LMM common-rail systems; supporting mods and tuning required for 150% over flow.
What’s Included
- (8) NEW S&S Diesel Motorsport LMM 150% over injectors (SAC nozzles).
- Flow-matched set for consistent cylinder-to-cylinder delivery.
- Documentation and install guidelines.
Recommended Parts
- GM DURAMAX PARTS (ALL GENERATIONS) — jump-off hub for LMM categories.
- GM DURAMAX FUEL LIFT PUMPS — ensure adequate low-pressure supply for big injectors.
- FASS FUEL SYSTEMS — filtration and steady supply for high-demand builds.
- AIRDOG FUEL SYSTEMS — air/fuel separation and improved filtration.
- GM DURAMAX CP3 PUMPS & COMPONENTS — pair with a high-output CP3 for the required rail delivery.
- SHOP ALL S&S DIESEL AT CPP — more injectors, pumps, and hardware.
Helpful Notes
- These 150% overs are intended for high-power applications; professional tuning and supporting fuel/air upgrades are required.
- Core program: a core return and/or core charge may apply; see your order options for details.
FAQ
Are these injectors new or reman?This part number is a NEW set (new bodies with SAC nozzles). S&S also offers reman options under different part numbers.
Do I need a lift pump and CP3 upgrades?For 150% over flow, a quality lift pump and a high-output CP3 are strongly recommended to maintain rail pressure under load.
Will these work on a stock turbo?They will physically fit the LMM platform, but for best results pair with an upgraded turbo and appropriate tuning to manage smoke and EGTs.
Are the injectors flow-matched?Yes, the set is flow-matched to tight tolerances for consistent cylinder-to-cylinder fueling.
Is there a core charge?Core terms may apply depending on program status; please review the options at checkout and plan for return shipping if applicable.
