Product Description
S&S DIESEL LML-300SAC-SET 300% OVER INJECTOR SET — 2011–2016 GM DURAMAX 6.6L LML
Built for extreme fueling needs, this brand-new S&S Diesel Motorsport LML injector set uses precision-honed SAC nozzles and tight flow matching for consistent performance under high demand. Each set is balanced and built to S&S standards for durability and repeatability.
Fitment
- 2011–2016 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD — 6.6L Duramax LML
- Set of 8 high-flow injectors (300% over stock) intended for race/competition builds with appropriate supporting mods and calibration.
What’s Included
- (8) New S&S LML injectors with 300% over SAC nozzles
- Matched/balanced set; injector data sheet
- Core program as required by supplier (core charge handled at checkout policies)
Recommended Parts
- Shop All S&S Diesel at CPP
- Fuel System Upgrades — lift pumps, filtration, and plumbing to support high fuel demand
- Injectors & Nozzles Category — compare injector sizes and components
- Chevy/GMC Categories — find additional LML-specific hard parts
Helpful Notes
- Professional installation and custom calibration are strongly recommended for 300% injectors.
- Verify emissions compliance for your intended use and jurisdiction.
- Follow supplier core return instructions to avoid additional charges.
FAQ
Are these new or remanufactured injectors?They are brand-new injectors modified and matched by S&S for 300% over flow.
Do I need tuning with 300% over injectors?Yes. Custom calibration and proper supporting fuel/air/exhaust components are required for safe operation.
What vehicles does LML-300SAC-SET fit?2011–2016 Chevrolet Silverado / GMC Sierra 2500HD/3500HD with the 6.6L Duramax LML.
Is there a core charge?Most distributors require a refundable core; follow the core policy and timelines listed at checkout.