4" Quad Gauge | Water Temp + Oil Temp + Volt + Fuel Level

SKU: R4-QG8-REV
$368.87
$303.36
Combines four critical readings into one compact gauge for complete system monitoring. Packs multiple functions into a single, space-saving instrument for clean installs. Independent stepper motors ensure smooth, stable readings across all functions.
+ -
Order leaves our facility in about 3 Weeks

The Quad Gauge delivers four critical readings in one compact, space-saving instrument, giving you complete visibility without crowding your dash. Designed to keep installs clean and information easy to read, it brings multiple key systems together in a single, efficient layout. The fuel level input supports sending units up to 300 ohms for broad compatibility across OEM and aftermarket setups. Independent stepper motor movement keeps each needle smooth and steady, delivering clear, reliable readings at a glance. Built with a durable housing and solid aluminum bezel, it’s made for real driving conditions and long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Quad-Function Display — combines four key readings in one gauge
  • Complete System Monitoring — track multiple critical vehicle systems at once
  • Fuel Sender Compatibility — fuel level input supports sender ranges up to 300 ohms
  • Space-Saving Design — reduces dash clutter with all-in-one functionality
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer
  • Weather-Resistant Build — built for street, track, and off-road
  • Made in the USA — backed by a lifetime warranty
Download Instructions
Product reviews
Only registered users can write reviews
Customers who bought this item also bought
SKU: R4-TC3-REV

4" Shift Light Tachometer | 8K RPM

Tracks engine RPM with built-in, high-visibility shift lights so you can hit your marks every time. Designed to work across a wide range of engines for clean, flexible installs. Precision stepper motor delivers smooth, stable, and accurate readings.
$209.63 $254.90
SKU: R4-TC5-REV

4" Shift Light Tachometer | 12K RPM

Tracks engine RPM with built-in, high-visibility shift lights so you can hit your marks every time. Designed to work across a wide range of engines for clean, flexible installs. Precision stepper motor delivers smooth, stable, and accurate readings.
$209.63 $254.90
SKU: R2-ET1-REV

2-1/16" EGT Temperature Gauge | 200-1600°F | Warning Light

Provides accurate real-time exhaust gas temperature monitoring for tuning, load, and performance use. Helps protect the engine by making lean conditions and rising temps easier to spot, while a built-in warning light adds a clear visual alert. Precision stepper motor delivers smooth, stable readings.
$200.96 $244.36
SKU: R2-TT1-REV

2-1/16" Trans Temp Gauge | 100-300°F | Warning Light

Tracks transmission temperature in real time with a dedicated sender for accurate, dependable monitoring in demanding conditions. Helps protect drivetrain components by making rising heat easy to spot, while a built-in warning light adds a clear visual alert. Precision stepper motor delivers smooth, stable readings.
$144.80 $176.07