Product Description
S&S Diesel LB7-150SAC-R-SET 150% Over Injector (Reman) — 2001–2004 GM Duramax 6.6L LB7
Serious LB7 power with S&S precision. This set of 8 remanufactured injectors uses S&S SAC-style nozzles sized to 150% over stock, then each set is flow-matched and balanced for smooth, consistent fueling and big-performance headroom.
Fitment
- GM Duramax LB7 6.6L — Silverado/Sierra HD (Model Years 2001–2004)
- Direct replacement common-rail injectors for LB7 platforms
Why S&S for LB7?
- Modern SAC nozzles (more durable than stock VCO)
- Set flow-matched for tight tolerances and smooth running
- Built and tested on OE-grade equipment
What You Get
- (8) S&S LB7-150SAC-R injectors — reman, 150% over
- Balanced, matched set; ready to install
Core & Notes
- Core return required (S&S indicates a core policy and lists full-set pricing on the LB7 injector page).
- Professional installation recommended; verify supporting fuel system capacity for 150% over flow.
Recommended Supporting Parts
- GM Duramax Parts (All Generations) — shop injectors, pumps, lines, gaskets, and more at CPP.
- LB7 High-Pressure Injector Line Set — replace lines during injector service to prevent contamination.
- AirDog Lift Pump Systems for Duramax — ensure clean, consistent supply for high-flow injectors.
- LB7 Replacement Injector Lines (Cyl. 2 & 7) — OE-style replacements as needed.
FAQ
Will these fit my 2001–2004 LB7 without custom fabrication?Yes. These are direct-fit LB7 injectors sized at 150% over stock for 2001–2004 GM Duramax 6.6L LB7 platforms.
Do I need additional fuel system upgrades?150% over injectors can outflow stock supply. We recommend a high-quality lift pump and inspecting/refreshing high-pressure lines to protect the new injectors.
Are these balanced and flow-matched?Yes. S&S balances the set to tight tolerances for smooth operation and consistent fueling.
Is there a core charge?Yes. S&S maintains a core return policy on LB7 injector sets. Return cores promptly to avoid additional charges.
