Product Description
S&S Diesel L5P-150-SAC-SET 150% Over Injector Set — 2017–2024 GM Duramax 6.6L L5P
Push your L5P further with a full set of flow-matched, 150% over injectors from S&S Diesel Motorsport. Built to OE standards, precision matched, and designed for dependable high-fueling performance on the 6.6L L5P platform.
Fitment
- Chevy Silverado / GMC Sierra HD with 6.6L Duramax L5P
- Model years: 2017–2024
- Direct L5P replacement; custom calibration/tuning recommended for 150% size
What’s Included
- (8) S&S Diesel L5P-150-SAC-SET injectors (set of eight)
- Flow-matched set built to tight OE-style tolerances
- SAC-style nozzles, honed and balanced for consistent delivery
- Ready for installation on L5P common-rail system (gaskets/seals as supplied by S&S)
Recommended Parts
- Duramax L5P Injectors (2017–2024) — compare L5P injector options at CPP.
- L5P Fuel System Upgrades — lift pumps, filtration, and plumbing to support higher flow.
- Shop All S&S Diesel at CPP — injectors, pumps, and components.
Helpful Notes
- Intended for high-fueling applications; verify supporting fuel supply and air system.
- Professional installation and appropriate calibration are strongly recommended.
- Verify local emissions regulations before purchase/use.
FAQ
Is tuning required for 150% L5P injectors?Yes. 150% over injectors add substantial fuel; proper calibration is required for drivability, control, and performance.
Are these sold as a matched set?Yes. This is a set of eight injectors that are flow-matched to tight tolerances for smooth operation.
What supporting mods are recommended?A quality lift pump and enhanced filtration are recommended, along with sufficient turbo/airflow and custom tuning to match the added fuel.
Do these fit all 2017–2024 L5P trucks?Yes, they’re designed specifically for GM 6.6L Duramax L5P applications across those model years.
