AutoMeter UL II Boost Gauge

2010–2025 All Vehicles with Turbocharged or Supercharged Engines

Part #: 4904

Overview

The AutoMeter UL II Boost Gauge is an essential instrument for automotive enthusiasts and performance drivers who want precise monitoring of their engine's boost pressure. Designed for a wide range of gasoline and diesel engines, this mechanical boost gauge offers reliable, real-time readings that help you optimize your vehicle's performance and ensure safe operation under boost conditions. Whether you're tuning your turbocharged setup or simply monitoring your engine's health, this gauge provides the accuracy and durability you need.

Built with simplicity and precision in mind, the UL II Boost Gauge is ideal for daily drivers, motorsport competitors, and off-road enthusiasts alike. Its straightforward installation process and robust construction make it a popular choice for those seeking a dependable boost monitoring solution without the complexity of electronic systems. With this gauge, you'll get clear, easy-to-read pressure measurements that support your performance goals and help prevent over-boosting or engine damage.

Key Features

The AutoMeter UL II Boost Gauge combines advanced mechanical design with user-friendly features to deliver accurate boost readings in a durable package. Key features include:

• Mechanical Bourdon Tube Movement: Ensures precise and consistent pressure readings with industry-leading durability, capable of withstanding harsh engine bay conditions.
• Simple 1/8" NPT Pressure Connection: Allows for straightforward installation directly into your vehicle's intake manifold or boost source without the need for electrical wiring or sensors.
• Includes Fittings and Nylon Line Kit: Comes complete with all necessary hardware for easy setup, reducing installation time and complexity.
• Ultra-Lite Design: Compact and lightweight, minimizing space requirements and reducing vibration impact for long-term reliability.
• Trusted Performance: Proven in racing and high-performance applications, providing accurate boost pressure readings under demanding conditions.
• Clear, Easy-to-Read Dial: Features a 2-1/16 inch (52mm) face with high-contrast markings for quick and effortless monitoring during driving.
• Durable Construction: Built to withstand engine heat, vibration, and environmental factors, ensuring longevity and consistent performance.

Construction & Design

The AutoMeter UL II Boost Gauge features a rugged, all-metal housing with a precision bourdon tube movement that guarantees accurate pressure measurement. Its compact 2-1/16 inch diameter dial is designed for easy visibility in any vehicle interior. The gauge's simple, mechanical design eliminates the need for electrical wiring, making it highly reliable and easy to install. The included fittings and nylon line kit facilitate a secure connection to your vehicle's boost source, ensuring leak-free operation. This gauge is engineered to withstand the rigors of high-performance driving, with materials and construction that resist engine bay heat and vibration, providing consistent and trustworthy readings over time.

Performance & Sound

While primarily a monitoring instrument, the AutoMeter UL II Boost Gauge provides immediate visual feedback on your engine's boost pressure, allowing you to optimize tuning and driving habits. Its mechanical design offers a smooth, responsive needle movement that accurately reflects changes in boost levels. This gauge does not produce sound but ensures you are always aware of your engine's boost status, helping you maintain safe and efficient operation during spirited driving or racing.

Installation & Fitment

The UL II Boost Gauge is designed for easy bolt-on installation. It requires a simple 1/8" NPT port into your intake manifold or boost source, with no need for electrical wiring or complex setup. The included fittings and nylon line kit streamline the process, making it accessible for DIY enthusiasts and professional installers alike. No cutting, drilling, or tuning adjustments are necessary, making this gauge a hassle-free upgrade for your vehicle's boost monitoring system.

• Connects directly to your vehicle's boost source via 1/8" NPT fitting
• Requires no electrical hookup or sensors
• Simple installation with included hardware and fittings
• Suitable for a wide range of turbocharged and supercharged engines

What's Included

• AutoMeter UL II Boost Gauge (2-1/16 inch diameter)
• 1/8" NPT fittings
• Nylon line kit for connection to boost source
• Installation instructions

Ideal For

• Performance enthusiasts seeking accurate boost monitoring
• Turbocharged and supercharged vehicle owners
• Motorsport competitors and off-road drivers
• DIY mechanics looking for a reliable, easy-to-install gauge

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all jurisdictions. Please check local regulations before installation.