Product Description
S&S Diesel LB7-450SAC-R-SET 450% Over Injector (Reman) — 2001–2004 GM Duramax 6.6L LB7
Built for serious LB7 power. This S&S Diesel Motorsport 450% Over Reman Injector Set delivers extreme fuel flow for competition-oriented builds while maintaining S&S quality and testing standards. Each injector is precision-calibrated for consistent performance across the set.
Fitment
- Vehicle: 2001–2004 Chevrolet Silverado/GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LB7
- Configuration: Set of 8 remanufactured high-flow injectors (450% over)
Why Choose S&S
- Industry-leading calibration and testing for repeatable results
- High-flow SAC-style nozzles designed for maximum performance
- Premium components assembled and validated to S&S standards
Core & Notes
- Core charge required; refundable upon return of acceptable LB7 cores.
- Intended for competition/off-road builds; proper air, fuel supply, and tuning required.
Recommended Supporting Parts
- Shop All S&S Diesel at CPP
- Duramax Injectors & Nozzles Category
- AirDog Lift Pumps for Duramax (LB7/LLY/LBZ)
- GM Duramax Master Category
- S&S LB7-45SAC-R-SET — 45% Over (Reman)
FAQ
Will these fit my 2001–2004 LB7?Yes. This set is specifically listed for the 2001–2004 GM Duramax 6.6L LB7 platform.
Do I need tuning and other mods?Absolutely. 450% over injectors require supporting airflow (turbo), fuel supply (lift pump), and custom tuning to run correctly.
Are these sold as a set or individually?This product is the set of eight remanufactured injectors for LB7.
Is there a core charge?Yes. A refundable core charge applies when your acceptable LB7 cores are returned.
