Product Description
S&S Diesel LB7-45SAC-R-SET — 45% Over LB7 Duramax SAC45® Injector Set (Reman)
Give your 2001–2004 GM Duramax 6.6L LB7 the fueling headroom and durability it deserves. The S&S Diesel Motorsport LB7-45SAC-R-SET is a remanufactured, balanced set of 8 SAC45® injectors flowing ~45% over stock, built and tested to S&S standards. All prices on the S&S site are listed per full set; a core return is required.
Fitment
- 2001–2004 GM Duramax 6.6L LB7 (Chevy Silverado/GMC Sierra 2500HD/3500HD).
Why SAC45®?
- Modern SAC-style nozzle family used by S&S for LB7 applications (more durable vs. OE VCO).
- Listed option for LB7 on S&S product page (choose SAC45® + Reman).
- Balanced set for consistent fueling across all cylinders.
What You Get
- (8) Remanufactured S&S SAC45® Injectors — ~45% over stock flow (set of 8).
- Set balanced to tight tolerances for smooth operation.
- Core return required (per S&S: $150 charge if no core returned).
Recommended Supporting Parts (CPP Diesel)
- GM Duramax Parts — LB7 Hub (find injectors, fuel, turbo, more)
- S&S LB7-45SAC-SET (NEW) — compare new vs. reman
- AirDog Lift Pump Systems for Duramax — stable supply for high-flow injectors
- AirDog FP-100 4G (01–10 LB7/LLY/LBZ) — popular 100 GPH option
Helpful Notes
- Custom calibration recommended to realize full gains from 45% over injectors.
- Verify emissions compliance in your region before installation.
FAQ
Will these fit my 2001–2004 LB7?Yes. This set is designed for GM Duramax 6.6L LB7 (2001–2004).
Are the prices on S&S per injector or per set?Per S&S, the listed prices are for full sets of injectors.
What is the core policy?S&S indicates a core return is required; they note a $150 charge if no core is returned. Your final core handling is processed through CPP at checkout.
Do I need a lift pump?While not strictly required, a quality lift pump (e.g., AirDog) helps maintain supply pressure and protects the injection system under higher demand. See our recommended parts above.
