AutoMeter 5903 Elite Series 2-1/16" Boost/Vacuum Gauge 30 InHg-30 PSI Mechanical

The AutoMeter 5903 is a high-precision mechanical boost/vacuum gauge from the Elite Series, designed for both street and race applications. This 2-1/16 inch gauge features a patented bourdon tube meter movement that delivers exceptional accuracy and durability, making it the industry standard for performance enthusiasts. With a measurement range of 30 inches of mercury vacuum to 30 PSI boost, this gauge provides comprehensive monitoring of your engine's intake manifold pressure.

Key Features:

• Mechanical operation requires no electrical connection—simply connect to a 1/8" NPT pressure port
• Modern red LED through-the-dial lighting ensures clear visibility in low-light and nighttime conditions
• Black dial face with fluorescent red pointer for quick reading
• Black chrome bezel with domed lens for a sleek, professional appearance
• Compatible with every street or race vehicle—no electrical system required
• Proven reliability even in harsh racing environments

Complete Installation Kit Includes:

• 1/8" NPT nylon pressure line
• T-fitting for easy manifold connection
• Vacuum fitting and compression fittings
• All necessary mounting hardware
• Detailed installation instructions

Specifications:

• Gauge diameter: 2-1/16 inches (52mm)
• Outer bezel diameter: 2-1/4 inches
• Measurement range: -30 InHg to +30 PSI
• Connection size: 1/8" NPT
• Lighting: Red LED
• Bezel style: Elite Series black chrome

Backed by AutoMeter's 1-year limited warranty, this gauge combines precision engineering with ease of installation, making it the preferred choice for enthusiasts who demand accuracy and reliability.