52mm 2 Inch Digital Car Gauge Set | Tachometer Boost Vacuum Water Oil Temp Pressure Voltmeter AFR EGT

Monitor your engine's vital signs with a single 52mm digital gauge. This versatile unit packs multiple readings into one compact display, giving you real-time data on RPM, boost, vacuum, temperatures, pressure, voltage, air-fuel ratio, and exhaust heat. It is built for gasoline racing cars running on a 12V system and supports 4, 6, or 8 cylinder engines.

The smoked lens face reduces glare while the digital LED backlight keeps the display clear in any lighting condition. Whether you are tuning for performance or keeping an eye on engine health, this gauge delivers the information you need without cluttering your dashboard with multiple pods.

Each gauge variant comes with the necessary sensor, wiring cable, and a manual for installation. The digital readout provides precise numbers instead of a needle sweep, making it easier to spot changes at a glance. This is a practical upgrade for anyone who wants to track multiple engine parameters without spending a fortune on a full gauge set.

The gauge body is made from durable plastic and measures 52mm in diameter, which fits standard gauge pods and mounting cups. The universal design works with most 12V gasoline vehicles, though it is not compatible with motorcycles. Choose the specific function you need from the available options listed below.

Key Features and Benefits

- Digital LED backlight that provides clear readings in bright sun or low light conditions

• Smoked lens face that reduces glare and gives the gauge a clean, modern look

• 52mm standard size that fits into most aftermarket gauge pods and mounting kits

• Compatible with 4, 6, and 8 cylinder gasoline engines for broad vehicle fitment

• Includes sensor and wiring cable for a straightforward installation process

Who Is This For

- Car enthusiasts who want to monitor engine performance with a single gauge

• Racers and tuners tracking boost, air-fuel ratio, or exhaust temperature

• DIY mechanics upgrading their dashboard with digital readouts instead of analog dials

• Owners of 12V gasoline vehicles looking for a cost-effective engine monitoring solution

Usage Scenario

Jake noticed his turbo sedan felt sluggish during pulls but the factory dash showed no warning lights. He installed the 52mm digital boost gauge in an empty pod on his A-pillar. On his next drive, he saw the boost pressure dropping at high RPM. The real-time data helped him find a loose intercooler pipe before it caused any damage. Now he monitors his AFR and water temp with the same gauge setup on track days.

Micro Comparison

Unlike analog gauges that require you to interpret needle positions, this digital gauge gives you exact numbers you can read at a glance. It combines multiple functions into one unit, so you do not need to buy separate gauges for RPM, temperature, and pressure. The smoked lens and LED backlight also provide better visibility than standard white-face gauges in changing light conditions.

Specifications

Material: Plastic

Diameter: 52 mm / 2 in

Weight: 120 g / 4.2 oz

Voltage: 12V DC (not for motorcycles)

Cylinder Support: 4 / 6 / 8

Lens Type: Smoked

Mounting Location: Front (dashboard or pod)

Gauge Function Ranges

Tachometer: 0 - 9999 RPM

Boost Gauge PSI: -15 to 45 PSI

Vacuum Gauge: -1 to 0 BAR

Oil Temperature: 20 to 150 Celsius

Water Temperature: 20 to 150 Celsius

Oil Pressure: 0 to 120 PSI

Voltmeter: 8 - 18 V

Air Fuel Ratio: 20:1 to 10:1

Exhaust Gas Temperature: 0 to 1300 Celsius

Package Includes

1 x Gauge (selected function variant)

1 x Sensor (if applicable to the selected gauge type)

1 x Wiring Cable

1 x User Manual

Why You Will Love It

You get precise digital data for multiple engine parameters in a single gauge that looks clean on your dashboard. It helps you catch problems early and tune your car with confidence. The simple installation and universal fitment make it an easy upgrade for any 12V gasoline vehicle.

Questions and Answers

Question: Will this gauge work on a diesel engine?

Answer: No, this gauge is designed for 12V gasoline racing cars only. It is not compatible with diesel engines or motorcycles.

Question: Does the tachometer version include a shift light?

Answer: No, the tachometer function reads RPM from 0 to 9999 but does not have a programmable shift light feature.

Question: What size mounting hole do I need for this gauge?

Answer: The gauge is 52mm in diameter, so you need a standard 52mm gauge pod or mounting cup for installation.

Question: Is the wiring plug-and-play or do I need to splice wires?

Answer: The gauge comes with a wiring cable that requires splicing into your vehicle's power, ground, and signal sources. It is not plug-and-play.

Question: Can I use the water temperature sensor in any radiator hose?

Answer: The water temp sensor has a 1/8 NPT thread. You need an adapter or a threaded port in your cooling system to install it properly.