Product Description
S&S Diesel LB7-65SAC-SET 65% Over Injector (New) — 2001–2004 GM Duramax 6.6L LB7 (Set of 8)
65% more flow. Brand-new SAC nozzle design. This S&S Diesel Motorsport set replaces stock LB7 VCO injectors with new SAC-style units that deliver higher flow and improved durability, calibrated on Bosch equipment and balanced as a matched set.
Fitment
- 2001–2004 Chevrolet Silverado/Sierra 2500/3500 HD with 6.6L Duramax LB7
- Direct-fit common-rail injectors for LB7 engines (set of 8)
What’s Included
- (8) S&S Diesel Motorsport 65% Over SAC-Style new LB7 injectors (LB7-65SAC-SET)
- Matched & balanced set; calibrated on genuine Bosch equipment
- Installation notes & warranty information
Recommended Supporting Parts (CPP-only links)
- Shop All S&S Diesel at CPP
- GM Duramax Parts (All Platforms)
- Stainless Fuel Line Kit — 2001–2004 LB7
- 4" Front Pipe — 2001–2004 Duramax
- Alternative Size: S&S 45% Over (Reman) — LB7
Installation Notes
- Professional installation and fuel system cleanliness are critical for injector longevity.
- Supporting airflow and tuning may be required to fully utilize 65% over flow.
FAQ
Will these fit my 2001–2004 LB7 without custom fabrication?
Yes. They are direct-fit common-rail injectors for the LB7 platform (2001–2004) in Silverado/Sierra 2500/3500 HD.
Are these new injectors or remanufactured?
This part number (LB7-65SAC-SET) is a new injector set. Reman variants typically use a different suffix (e.g., LB7-65SAC-R).
What are the benefits of SAC-style over the original LB7 VCO?
SAC-style tips are known for improved durability and consistency compared to the OEM VCO design while enabling higher flow potential.
Do I need tuning or other upgrades with 65% over injectors?
For best results, plan on appropriate tuning and supporting airflow/fuel system upgrades to match the additional fuel volume.
