Air and Fuel› Fuel Injection Systems and Components - Electronic
Katech
540cc High Impedance Fuel Injectors
SKU: FIC-IS303-0540H
Moderate — 2–4 hours
Description
Designed for specific GM LS engines, including LS3, LS7, LSA, L76, L92, and L99 applications, they offer great linearity and short pulse width repeatability. Each injector is precisely flow matched to within 1% and individually numbered, with detailed results provided on an included flow sheet.
Fitment
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Specifications
| Brand | Katech |
| Part Number | FIC-IS303-0540H |
| Category | Air and Fuel |
Buy with Confidence
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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