AutoMeter P32152 Spek-Pro 2-1/16" Digital Fuel Rail Pressure Gauge 0-30K PSI

The AutoMeter Spek-Pro P32152 fuel rail pressure gauge is engineered for ultra-high pressure monitoring in modern direct injection diesel applications. This 2-1/16" gauge provides precise readings up to 30,000 PSI to ensure optimal engine longevity and power output in demanding diesel performance environments.

Advanced Digital Stepper Motor Technology:

• Precision 280° brushless digital stepper motor delivers quiet, fluid pointer movement with superior dial resolution
• Professional-grade accuracy and reliability for critical fuel system monitoring
• Connects directly to factory sensor with included plug-in pass-through wiring harness
• Compatible with 2001-2012 GM Duramax and 2003-2008 Dodge Cummins applications

Customizable Display and Warnings:

• 7 user-selectable background illumination colors: red, blue, green, white, yellow, orange, and violet
• Independent dimming control for dial and pointer with adjustable day/night brightness
• Configurable high and low pressure warnings using three intuitive on-face buttons
• Peak recall function stores and displays highest recorded pressure reading until manually cleared

Pro-Control Output Capability:

• 1.5 amp output can activate relay to trigger warning lights, external buzzers, cooling fans, or pumps
• Enables automated control of water/methanol injection, nitrous systems, or other performance features

Premium Design Features:

• Patented Wide Angle dial design maximizes viewable area in compact 2-1/16" housing
• Black dial with domed smoked lens and black round shoulder bezel
• Fluorescent red pointer for excellent visibility
• Includes patented lightweight spin-on mounting bracket for simplified installation
• Cup/hole size: 2.050", outer bezel diameter: 2.360"

Ideal for diesel performance enthusiasts and professionals who demand accurate, real-time fuel rail pressure monitoring with advanced warning capabilities and seamless OEM integration.