Product Description
S&S Diesel LB7-450SAC-SET 450% Over Injector (New) — 2001–2004 GM Duramax 6.6L LB7
Maximum LB7 fueling for serious builds. This brand-new S&S Diesel Motorsport set uses EDM/honed SAC-style nozzles and precision balancing for consistent, high-flow delivery across all eight injectors—ideal for competition-level power when paired with appropriate air and fuel system upgrades. S&S builds and tests injectors to industry-leading standards for flow and durability. Sources: S&S product family pages and injector program overview.
- Set of 8 brand-new S&S injectors with SAC-style nozzles (EDM / honed; flow-matched).
- Designed for extreme fueling: ~450% over stock (calibration & supporting mods required).
- Built and tested to S&S standards for repeatable performance.
- Backed by retailer-published 2-year injector warranty information (verify specific seller policy).
Fitment
2001–2004 Chevrolet Silverado / GMC Sierra 2500/3500 with 6.6L Duramax LB7. (LB7 platform fitment referenced across S&S Duramax injector listings.)
What’s Included
- (8) S&S LB7-450SAC-SET new injectors
- Installation seals as provided by S&S (varies by kit configuration)
- Documentation
Recommended Supporting Parts
- LB7 Injector Line Set — replace aged high-pressure lines during install.
- LB7 Injector Install Kit — gaskets, seals, and consumables for a clean job.
- LB7 Return Line Banjo Bolts — fresh hardware to prevent leaks.
- Duramax Fuel Filtration Upgrades — protect your investment with quality filtration.
- Shop All S&S Diesel at CPP — complementary S&S fueling components.
Installation & Notes
- This 450% set is for competition builds; extensive supporting airflow, fueling, and custom calibration are required.
- Emissions compliance: high-flow competition injectors are typically not emissions legal for street use. Confirm local regulations.
FAQ
Do these injectors fit all 2001–2004 LB7 trucks?Yes—applications cover 2001–2004 Chevy/GMC 2500/3500 with the 6.6L Duramax LB7 platform.
Are these injectors new or remanufactured?This listing is for a brand-new set (NEW). SAC-style, EDM/honed nozzles, and flow matching are part of S&S’s injector program.
Is tuning required?Yes. At ~450% over stock, expect to require custom calibration along with significant supporting hardware (turbo/air, lift pump, fuel system, etc.).
What warranty applies?Retailers commonly list a 2-year injector warranty on S&S injectors; verify terms with your seller.
