Skip to product information
1 of 1

AutoMeter Ultra-Lite 66.7mm Full Sweep Electronic 30 IN Hg / 20 PSI Vacuum/Boost Gauge (4401)

AutoMeter Ultra-Lite 66.7mm Full Sweep Electronic 30 IN Hg / 20 PSI Vacuum/Boost Gauge (4401)

SKU:4401

Out of stock

Regular price $105.33 USD
Regular price $122.85 USD Sale price $105.33 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The AutoMeter Ultra-Lite 66.7mm Full Sweep Electronic Vacuum/Boost Gauge is a precision instrument designed for performance automotive applications. Featuring a 66.7mm (2.63 inches) dial, this gauge provides full sweep readings of up to 30 inches of mercury (Hg) for vacuum and 20 PSI for boost pressure. Its electronic design ensures accurate and consistent measurements, making it ideal for tuning turbocharged engines or monitoring engine performance during spirited driving. Constructed with durable materials and a sleek, race-inspired appearance, this gauge offers reliable data visualization for enthusiasts seeking precise engine monitoring.

Designed to fit a standard 66.7mm (2-5/8 inch) gauge pod, the AutoMeter Ultra-Lite gauge is compatible with a wide range of vehicles equipped with vacuum or boost pressure systems. It is suitable for use on turbocharged or supercharged engines, providing critical information for street or track use. The gauge connects via electronic wiring for seamless integration into existing dashboards or custom setups. Its compact size and full sweep display make it an excellent choice for performance tuning, engine diagnostics, and real-time monitoring in various automotive applications. The kit includes the gauge and necessary wiring for installation.

Overview

AutoMeter Ultra-Lite

66.7mm Full Sweep Electronic 30 in Hg / 20 PSI Vacuum/Boost Gauge

Part #: 4401

Overview

The AutoMeter Ultra-Lite 66.7mm Full Sweep Electronic Vacuum/Boost Gauge is a high-precision instrument designed for automotive enthusiasts who demand accurate and durable readings of their vehicle's vacuum and boost pressure. Whether you're tuning your turbocharged build or monitoring your engine's performance during spirited driving, this gauge provides reliable data with a sleek, race-inspired design. Its compact size and lightweight construction make it an ideal choice for those seeking a professional-grade gauge without adding unnecessary bulk to their dashboard or engine bay.

Built with the serious performance enthusiast in mind, this gauge offers precise measurement of vacuum and boost levels up to 30 in Hg and 20 PSI respectively. Its full sweep dial ensures easy readability at a glance, helping you make informed adjustments and maintain optimal engine performance. The AutoMeter Ultra-Lite gauge is perfect for street, track, or off-road applications where accurate pressure monitoring is critical for safety and efficiency.

Key Features

The AutoMeter Ultra-Lite Vacuum/Boost Gauge combines advanced engineering with user-friendly features to enhance your vehicle's monitoring system. Key features include:

  • High-precision Bourdon tube movement ensures exceptional accuracy and durability, trusted by professional racers and enthusiasts alike.
  • Full sweep dial (66.7mm / 2.63 inches) provides clear, easy-to-read measurements at a glance, even in demanding driving conditions.
  • Electronic operation with a simple 1/8" NPT pressure connection eliminates the need for electrical hookup, simplifying installation.
  • Includes 1/8" NPT fittings and nylon line kit for straightforward setup and reliable performance.
  • Robust construction with a lightweight, race-proven design built to withstand harsh engine bay environments.
  • Classic black face with high-contrast white markings for optimal visibility in all lighting conditions.
  • Versatile measurement range suitable for a variety of turbocharged, supercharged, or naturally aspirated engines.
  • Designed for enthusiasts who want precise pressure monitoring to support tuning, troubleshooting, and performance optimization.
  • Durable, vibration-resistant design ensures long-term reliability even under demanding conditions.

Construction & Design

The AutoMeter Ultra-Lite gauge features a compact, lightweight housing constructed from high-quality materials to withstand the rigors of daily driving and racing environments. Its 66.7mm (2.63-inch) full sweep dial is crafted for maximum readability, with a clear, high-contrast face and precise markings. The internal Bourdon tube movement is patented and engineered for exceptional accuracy and longevity, providing consistent readings over time. The gauge's electronic design simplifies installation by requiring only a pressure source via the included 1/8" NPT fittings and nylon line kit, eliminating the need for complex wiring or electrical connections. This combination of durable materials and thoughtful engineering ensures that your gauge remains reliable and accurate, whether on the street or the track.

Performance & Sound

While this gauge primarily focuses on providing accurate pressure readings, its high-quality construction ensures consistent performance and durability. The full sweep dial allows for quick, easy interpretation of vacuum and boost levels, helping you optimize engine response and prevent over-boost conditions. Its robust design minimizes vibrations and external interference, maintaining precise readings even in high-performance driving scenarios.

Installation & Fitment

The AutoMeter Ultra-Lite Vacuum/Boost Gauge is designed for straightforward, bolt-on installation. It requires a simple 1/8" NPT pressure port connection, which is included with the kit. No electrical hookup is necessary, making it suitable for a wide range of vehicles and setups. The compact size and lightweight housing allow for flexible mounting options in the dashboard, A-pillar, or engine bay. Typically, no cutting, drilling, or tuning is required beyond the initial pressure port installation, making this gauge an easy upgrade for both novice and experienced enthusiasts.

  • Requires a 1/8" NPT pressure port connection (included)
  • Simple bolt-on installation with no electrical wiring needed
  • Suitable for turbocharged, supercharged, or naturally aspirated engines
  • Ideal for street, track, and off-road applications where accurate boost/vacuum monitoring is essential

What's Included

  • AutoMeter Ultra-Lite 66.7mm Vacuum/Boost Gauge
  • 1/8" NPT fittings
  • Nylon line kit
  • Installation instructions

Ideal For

  • Performance enthusiasts tuning turbocharged or supercharged engines
  • Street and track drivers seeking precise boost and vacuum monitoring
  • Off-roaders needing reliable pressure readings in demanding environments
  • DIY installers looking for an easy, bolt-on upgrade

Emissions Note

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

View full details