Product Description
S&S Diesel LLY-30SAC-R-SET — 30% Over Reman Injector Set (2004.5–2005 GM Duramax 6.6L LLY)
Unlock dependable power with a matched set of eight S&S Diesel Motorsport 30% over SAC-nozzle injectors. Each injector is built on an OE-quality reman body, then flow-matched and balanced as a set for smooth idle, crisp response, and consistent cylinder-to-cylinder fueling.
- 30% over SAC nozzles for meaningful airflow headroom (tuning required for best results).
- Set of 8 injectors, flow-matched and balanced to tight tolerances for LLY.
- Built to OE standards with proven S&S processes for durability and consistency.
- Core return required (industry standard on reman injector sets).
Fitment
2004.5–2005 Chevrolet Silverado / GMC Sierra 2500HD/3500HD with 6.6L Duramax LLY.
What’s Included
- (8) S&S Diesel 30% Over Reman Injectors — LLY-30SAC-R-SET
- Pre-installed SAC nozzles matched to the set
- New sealing hardware where applicable
Recommended Supporting Parts
- 2004.5–2005 Duramax LLY Fuel System
- LLY Injectors & Install Parts
- Lift Pumps — maintain rail supply and protect your injectors
- Shop All S&S Diesel at CPP
Notes
- Tuning required to take advantage of 30% over flow and maintain proper control.
- Intended for off-road/competition where applicable; verify local emissions laws.
- Professional installation recommended; follow all torque and cleanliness procedures.
FAQ
Do I need tuning with 30% over SAC injectors?Yes. Increased nozzle flow requires calibration to match commanded fuel and rail pressure for drivability and reliability.
Is this a set of eight?Yes. LLY-30SAC-R-SET is a complete set of 8 reman injectors matched and balanced for the LLY.
Are these SAC or VCO nozzles?They use SAC nozzles with 30% over flow.
Do I have to return my cores?Yes. A core return is standard practice on reman injectors. Return your usable cores to avoid additional charges.
