All S&S Diesel Motorsport injectors, with the exception of TorqueMaster, feature a modern SAC-style nozzle that is much more durable when compared to the previous generation stock VCO nozzle.
New SAC45® Injectors
The
S&S Diesel Motorsport SAC45® injectors are a game-changer for LB7 Duramax owners who want increased durability without an increase in fueling. S&S has teamed up directly with Bosch to develop a stock-flowing LB7 SAC nozzle to replace the obsolete VCO nozzle that is currently used on stock LB7 Duramax fuel injectors. The end result is an emissions-friendly, direct replacement
SAC45® injector that will outlast the original equipment by far. Benefits of the
SAC45® injectors are:
- Increased fuel injector lifespan
- 45% Over stock fuel delivery, no calibration required
- Direct replacement for 2001 – 2004 GM Duramax-powered pickup trucks
SAC45® are exclusive to S&S, so LB7-equipped truck owners can take comfort in knowing that every
SAC45® LB7 Duramax injector is a genuine
S&S Diesel Motorsport product. The LB7 Duramax is a great engine, yet the stock VCO injectors are notorious for having a short lifespan. The S&S
SAC45® injectors will make the dreaded 50,000-mile LB7 injector haze a thing of the past, and do it for an affordable price.

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