Gauges and Accessories› Individual Gauges

Holley

V8 RED ST 2 5/8IN AIR/FUEL RATIO FS

$600.50

SKU: H00E V8RS394SLC

Special Order
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 Classic Instruments V8RS394SLC is a universal-fit Air/Fuel Ratio Gauge, 2 5/8" in size. It features a rugged air core movement, microprocessor technology, full sweep, pushbutton calibration, integrated red warning light, and a warning light output. It also provides an analog .5 - 4.5VDC output for data logging. The gauge offers LED lighting (Warm White or Cool White) and includes a premium BOSCH wideband air/fuel sensor, a FAST wideband controller, installation hardware, wiring harness, and a weld-in bung with plug. It is calibrated for gasoline applications ONLY.

Fitment

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Specifications

BrandHolley
Part NumberH00E V8RS394SLC

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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