Product Description
S&S Diesel LLY-100SAC-R-SET — 100% Over Reman Injectors (Set of 8) for 2004.5–2005 GM Duramax 6.6L LLY
Unlock serious fuel delivery on your LLY. The S&S Diesel Motorsport LLY-100SAC-R-SET is a 100% over remanufactured injector set built with SAC nozzles, precise flow-matching, and set balancing for smooth operation and reliable power increases. S&S publishes LLY Duramax fitment and sizing options (including 100% over) for 2004.5–2005, with brand-new or Bosch reman bodies and tight flow variance standards.
Fitment
- 2004.5–2005 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD with 6.6L Duramax LLY.
- Set of 8 injectors; remanufactured bodies with SAC nozzles and S&S calibration/balancing.
What’s Included
- (8) Remanufactured S&S LLY injectors – 100% over SAC nozzle sizing, calibrated and balanced as a set.
- Documentation and install notes from the supplier.
Helpful Notes
- Core charge: Reman sets typically require a core return (commonly noted by S&S and dealers).
- Emissions: Some retailers flag these parts as not legal for sale/use in California; check local laws before purchase/installation.
Recommended Supporting Parts
- Shop All S&S Diesel at CPP
- 2004.5–2005 Duramax LLY Injectors & Components
- Duramax Fuel System Upgrades (Filtration, Lines, Lift Pumps)
FAQ
Do these fit all 2004.5–2005 LLY trucks?Yes, they are listed for 2004.5–2005 GM 6.6L Duramax LLY applications (2500HD/3500HD).
What’s special about S&S reman injectors?S&S uses SAC nozzles with a proprietary honing process, tight nozzle/set flow-matching, and balancing for smooth running and consistent performance.
Is a core return required?Yes, reman programs commonly require a core; plan for a return and possible deposit.
Are these emissions legal in my state?Some sellers mark these as not legal for sale/use in California; always verify your local and state regulations.