Revel 1TR1AA005R 52 mm OLED Wideband AFR Gauge Universal

Vehicle Fitment

• Universal gauge - fits most vehicles with a 52 mm gauge opening

Features

• Revel VLS OLED wideband air-fuel ratio (AFR) gauge with digital display
• High-accuracy Bosch LSU 4.9 oxygen sensor technology included
• Wide measurement range from 10.0:1 to 20.0:1 AFR
• 2 1/16 in (52 mm) easy-to-read OLED numerical display
• 30-LED outer ring for quick visual reference
• Analog output harness for external logging or engine management systems
• Universal mounting pod and bracket included for flexible install locations
• Designed to be compatible with gasoline and E85-powered engines

Specifications

• Part Number: 1TR1AA005R
• Brand: Revel VLS
• Gauge Size: 52 mm (2 1/16 in)
• AFR Range: 10.0:1 to 20.0:1
• Sensor: Bosch LSU 4.9 wideband oxygen sensor
• Display: Digital OLED
• Install: Universal - requires appropriate gauge pod or panel hole
• Power: 12 V with harness included

Included Components

• 1x 52 mm Revel VLS OLED wideband AFR gauge
• 1x Bosch LSU 4.9 wideband oxygen sensor with wiring
• 1x Electronic control unit
• 1x Gauge signal harness
• 1x Analog output harness
• 1x Mounting pod and hardware
• 1x Weld-in sensor bung and plug
• 1x Gauge hood/sun shade and installation instructions

Product Description

The Revel 1TR1AA005R VLS Wideband Air-Fuel Ratio (AFR) Gauge is a high-performance universal engine monitoring instrument designed for vehicles that can accept a 52 mm (2 1/16 in) gauge. Featuring advanced Bosch LSU 4.9 wideband oxygen sensor technology and a crisp digital OLED display, this gauge accurately measures AFRs from 10.0:1 to 20.0:1 - ideal for tuning, diagnostics, and real-time monitoring of both gasoline and E85 engines.

Its clear OLED numerical readout and 30-LED outer ring provide excellent visibility both day and night without requiring a backlight, while the included universal mounting pod, wiring harnesses, and weld-in sensor bung make installation into dashboards, gauge pods, or custom panels straightforward. Whether you're tracking performance on the dyno, tuning boost-equipped setups, or simply keeping tabs on engine health, the Revel VLS wideband AFR gauge delivers precise readings and versatile installation options for virtually any vehicle application.