Air and Fuel Fuel Injection Systems and Components - Electronic

S&S Diesel

45% over LMM injector - New CORE CHARE APPLIES OF 150

$600.56

SKU: S09R LMM-45SAC

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The S&S Diesel LMM-45SAC 45% Over Injector is designed for 2007.5-2010 GM 6.6L Duramax LMM owners seeking enhanced fuel flow and injector quality. This injector provides a significant increase in fuel distribution, boosting engine performance. Key features include a 45% increased flow rate over stock, enhanced fuel delivery, a proprietary design, and industry-leading components. The injectors undergo a specialized nozzle honing process for precise and consistent nozzle holes and are expertly matched with a variance of only 1% per set. Each injector is constructed with either new or remanufactured Bosch bodies, ensuring exceptional quality and performance.

Fitment

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Specifications

BrandS&S Diesel
Part NumberS09R LMM-45SAC

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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