Key Features & Functions
Dual Vacuum & Boost Monitoring
The 200774-40 tracks:
- Vacuum (0–30 inHg) for diagnostics and efficiency
- Boost (0–20 PSI) for performance monitoring
One gauge, full intake system visibility.
Mechanical Pressure Operation
This is a mechanical gauge, meaning:
- Direct manifold pressure readings
- No signal delay
- High accuracy under all conditions
Hook it to a vacuum source and you’re set.
Marine-Grade Construction
Built to handle harsh environments:
- Corrosion-resistant materials
- Sealed components
- Designed for marine durability
Salt, moisture, and vibration won’t take this one out.
2-1/16″ Standard Gauge Size
The 2.0625 inch diameter ensures:
- Easy installation in pods or panels
- Compatibility with most setups
- Clean integration into any build
Standard size, zero hassle.
AutoMeter Gauge, Vac/Spice up, 2 1/sixteen”, 30Inhg-20Psi, Mechanical, Marine Carbon Fiber (200774-forty),Multi
Gauge, Vac/Spice up, 2 1/sixteen”, 30Inhg-20Psi, Mechanical, Marine Carbon Fiber
Carbon Fiber Style Dial
Because function shouldn’t look boring:
- Carbon fiber face for a premium look
- High-contrast markings
- Modern performance styling
Looks as good as your build (hopefully).
Why You Need This AutoMeter 200774-40 Boost Gauge
If you’re running boost—or even just diagnosing engine performance—this gauge is essential.
The AutoMeter 200774-40 Vac/Boost Gauge gives you:
- Real-time boost and vacuum monitoring
- Early detection of leaks and overboost conditions
- Durability in harsh environments
- Accurate data for tuning and performance
Because boost without monitoring is just asking for trouble.
Ideal Applications
- Turbocharged builds
- Supercharged setups
- Marine engines
- Off-road and harsh environments
- Performance street and track cars
Final Verdict
The AutoMeter Marine Carbon Fiber Vac/Boost Gauge (200774-40) is built for accuracy, durability, and clean performance styling.
It’s reliable, easy to install, and gives you critical data you absolutely need when running boost.
Because “I think it’s fine” isn’t how you manage boost pressure.
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