Power Steering Pressure Relief Valve Test Gauge. Setting the correct pressure in your power steering system is on the utmost importance. Ensure your power steering system is set to the correct PSI with our 0-2000 PSI test gauge\n\nAGM Motorsports is Race Inspired Tools and Products designed to help you work smart in the shop and play hard on the trail.\n\n\nDetails:\n\n\n - Ensure your power steering system is set to the correct PSI with our 0-2000 PSI test gauge