Product Description
S&S Diesel L5P-200-SAC-SET 200% Over Injector — 2017–2024 GM Duramax 6.6L L5P (Set of 8)
Built for serious power, this brand-new S&S Diesel Motorsport injector set uses modern SAC-style nozzles and is flow-matched for consistency across all eight cylinders. Expect dramatically increased fuel delivery for competition and high-output builds.
Fitment
- 2017–2024 Chevrolet/GMC 2500/3500 HD with 6.6L Duramax L5P.
- Direct L5P replacement; intended for race/competition use. Calibrations and supporting fuel/air mods required.
What’s Included
- (8) New S&S L5P-200-SAC injectors (200% over stock flow).
- Each injector built and matched to S&S specs for the set.
- New sealing washers/O-rings where applicable.
Recommended Supporting Parts
- DURAMAX INJECTORS & NOZZLES — browse related L5P injector & nozzle options.
- FASS DROP-IN FUEL SYSTEM (2017–2023) — upgraded supply & filtration to protect your injection system.
- FASS DROP-IN FUEL SYSTEM (2020–2023) — additional years; select by model year.
- L5P INJECTOR INSTALL KITS — gaskets/seals to complete the job cleanly.
- L5P INJECTOR LINES — replace aged or damaged high-pressure lines during install.
- SHOP ALL S&S DIESEL — pumps, injectors, and fuel system components.
Notes
- Tuning is required for 200% over injectors; pair with adequate air (turbo/intercooler) and supply (lift pump/filtration).
- Competition/off-road use where permitted. Verify local laws before purchase/installation.
FAQ
Are these brand-new or remanufactured injectors?They are brand-new S&S injectors built with modern SAC nozzles, then flow-matched as a complete set.
Will my truck run on stock tuning with 200% injectors?No. 200% over injectors require custom calibration, plus adequate air and fuel supply upgrades.
Do I need additional fuel filtration or a lift pump?Upgraded FASS Drop-In fuel systems are strongly recommended to protect the L5P injection system and ensure stable rail pressure.
What’s the difference between SAC and VCO nozzles?SAC-style nozzles are favored for durability and consistent flow in high-performance applications, making them a better match for large percentage-over injectors.
Is this a single injector or a complete set?This listing is for a set of eight (L5P-200-SAC-SET). If you need a single 200% injector, see our single L5P-200-SAC listing.
