Product Description
S&S Diesel LB7-500SAC-R-SET 500% Over Injector Set (Reman) — 2001–2004 GM Duramax 6.6L LB7
Built for serious fuel demand. This S&S Diesel Motorsport remanufactured injector set delivers ~500% over stock flow to support extreme power goals on LB7 platforms. Each set is assembled with premium components, calibrated, and flow-matched for consistent delivery across all eight cylinders.
- Set of 8 remanufactured S&S injectors with high-flow SAC nozzles and tight matching tolerances.
- Designed for competition-level fueling; supporting fuel/air mods and tuning required.
- Core charge typically applies on reman sets; see cart/options for details.
Fitment
Fits 2001–2004 GM Duramax 6.6L LB7 (Silverado/Sierra 2500HD/3500HD).
What’s Included
- (8) Remanufactured S&S LB7 500% over injectors
- Flow data & matching per set (vendor-listed)
Recommended Supporting Parts (CPP Internal Links)
- Shop All S&S Diesel @ CPP — pumps, injectors, & fueling hardware matched to S&S standards.
- LB7 Injector Installation Super Kit — gaskets, seals, and hardware for a clean install.
- High-Output CP3 Pump (LB7) — recommended for race-level fuel supply with 500% nozzles.
- GM Duramax Parts Hub — browse LB7 fueling, filtration, and accessories.
Installation & Notes
- Professional installation and custom tuning required for proper operation with 500% over injectors.
- Core policy applies on reman units; see product options for “send core first” vs. “charge core deposit.
- Emissions use note: Many competition injectors are not legal for highway use in some regions. Verify local regulations.
FAQ
- Do I need a larger pump and tuning for 500% injectors?
Yes. A high-output CP3 (or dual-fueler setup), adequate lift pump/filtration, and custom tuning are required for safe operation. - What is the core charge policy?
Reman sets require a core. You may pay a refundable core deposit at checkout or send cores first before shipping. Policy details vary by vendor. - Is this legal for street use?
These 500% over injectors are competition-oriented. Check your local and state emissions rules before installing on a registered street vehicle. - Will this fit all 2001–2004 LB7 2500/3500 trucks?
Yes, this set is listed for 2001–2004 Silverado/Sierra 2500HD/3500HD with the 6.6L LB7.
