Description
Product Overview
The Auto Meter 5704 Mechanical Boost Gauge is a race‑proven instrument designed for durability and precision. Constructed from high‑impact plastic with a painted exterior, the gauge houses a traditional incandescent bulb that illuminates the dial’s perimeter for clear visibility in any lighting condition. It connects via a 1/8″ NPT thread and includes a 1/8″ nylon line, compression fittings, a 1/4″ NPT adapter, and a complete bulb and socket assembly. The gauge is engineered for both street and track use, requiring no electrical system for operation.
![[Product front view showing all components]](https://www.consoleking.store/wp-content/uploads/2026/06/34078d69d1f949d39177bce4e4157311.jpg)
Usage
This boost gauge is ideal for performance enthusiasts who demand real‑time turbo pressure monitoring. Whether installed on a daily driver, a weekend track car, or a dedicated race vehicle, the mechanical movement provides consistent accuracy even under extreme heat and vibration. The incandescent lighting ensures the dial remains legible during night runs or in dimly lit garages, making it a reliable tool for tuning, diagnostics, and competition.
Why Choose Us
Auto Meter has a long history of supplying dependable mechanical gauges that stand up to harsh environments. The 5704 model combines proven mechanical accuracy with a simple, tool‑free installation process. All components are manufactured to OEM specifications, and the gauge is backed by a manufacturer’s warranty that reflects confidence in its longevity and performance.
Key Features
- Incandescent perimeter lighting provides clear, 360° visibility in any lighting condition.
- Mechanical operation eliminates the need for vehicle electrical power, ensuring universal compatibility.
- Durable plastic housing with painted finish resists corrosion and heat damage.
- Complete installation kit includes nylon line, NPT fittings, adapter, bulb, covers and mounting hardware.
- Auto Meter offers responsive customer support and a warranty for peace of mind.
FAQ
Do I need an electrical connection for this gauge?
No. The gauge operates entirely mechanically, so it works on any vehicle regardless of electrical system.
What size thread does the gauge use?
The gauge features a 1/8″ NPT thread and comes with a 1/4″ NPT adapter for flexible mounting options.
Is the incandescent bulb replaceable?
Yes, the gauge includes a bulb and socket assembly, and replacement incandescent bulbs are readily available.
Can this gauge be used on both street and race cars?
Absolutely. Its robust construction and mechanical accuracy make it suitable for daily driving as well as high‑performance racing environments.
What is included in the kit?
The kit contains a 1/8″ nylon line, 1/8″ NPT compression fittings, a 1/4″ NPT adapter, incandescent bulb and socket, red and green bulb covers, mounting hardware, and detailed installation instructions.







Auto Meter 5704 Mechanical Boost Gauge with Incandescent Dial Kit
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