The Kenworth Primary And Secondary Reservoir PSI Gauge is a practical and reliable product designed to provide accurate pressure readings. With its blue color and chrome bezel, it adds a touch of style to any vehicle. This gauge is essential for monitoring the pressure levels in your primary and secondary reservoirs, ensuring optimal performance and safety. Its user-friendly design allows for easy installation and operation. Trust this gauge to provide you with the information you need to maintain your vehicle's efficiency and functionality.