Product Description
S&S Diesel LLY-200SAC-R-SET — 200% Over Reman Injector Set (2004.5–2005 Duramax 6.6L LLY)
Unlock serious fuel delivery on your LLY. The S&S Diesel Motorsport LLY-200SAC-R-SET is a matched set of eight remanufactured LLY injectors with 200% over SAC nozzles. Each set is precision flow-matched and balanced for smooth, consistent performance.
- 200% over SAC-type nozzles for extreme fueling potential
- Set balanced to tight tolerances for consistent cylinder-to-cylinder delivery
- Built on Bosch reman bodies with S&S proprietary processes
- Sold as a matched set of 8 with required seals installed
Fitment
2004.5–2005 GM Duramax 6.6L LLY (Chevrolet Silverado/Sierra 2500HD/3500HD LLY). Core return required per standard injector policy.
What’s Included
- (8) S&S Diesel LLY reman injectors — 200% over SAC nozzles
- Pre-installed O-rings/seals (where applicable)
- Flow/balance documentation (per S&S standards)
- Core return instructions
Recommended Parts (CPP Internal Links)
- Shop All S&S Diesel at CPP
- LLY Injector Install Kits & Seals
- Lift Pumps for LLY (support high flow)
- High-Efficiency Fuel Filters for LLY
Helpful Notes
- Professional installation and calibration strongly recommended for 200% over injectors.
- Verify emissions compliance for your intended use and location.
- Core charge policy applies; cores must be serviceable like-for-like LLY units.
FAQ
- Are these true 200% over injectors?
Yes. S&S sizes by percent over stock nozzle flow; this set uses 200% over SAC nozzles with matching internal specs. - Do I need additional fueling or tuning?
For 200% over, a proper lift pump, filtration, and professional tuning are strongly recommended. - What’s the difference between SAC and VCO nozzles?
SAC nozzles typically support higher flow and durability for performance applications compared to VCO. - Is there a core charge?
Yes. Expect a core policy with a charge if no acceptable core is returned. - Will these fit my 2005 LLY?
Yes—this set is specifically for 2004.5–2005 LLY 6.6L Duramax applications.