Seeing the exact fuel pressure on your vehicle can mean the difference between extracting the most performance safely and expensive failures. AutoMeter's Mechanical Fuel Pressure Gauge will precisely measure your exact fuel pressure at levels of accuracy previously unheard of even in professional gauges. Designed for fuel injected or carbureted applications, a simple -4an connection makes installation easy. Don't take chances with your investment; a precise fuel pressure gauge could be the cheapest insurance you've ever bought. For the safety of the operator, it is not recommended that Fuel Pressure gauge are installed inside the cabin of the vehicle. Optional fuel isolators are available for both carbureted and fuel injected applications.Features: Traditional incandescent lighting illuminates around the perimeter of the dial Liquid dampened movement provides smooth pointer movement and extended service life in harsh environment applications. Liquid filled design for superior resistance to shock, vibration, and the elements. Gauge kit includes, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Gauge threaded for -4AN, allowing an easy installation into the fuel system No electrical system required for gauge operation - compatible with every street or race vehicle Product Description: 2-5/8" Fuel Pressure Gauge, 0-15 PSI, Liquid Filled, Pro-CompPit Stop USA offers Auto Meter Pro-Comp Liquid Filled Fuel Pressure Gauge - 2-5/8" - 0-15 PSI 5411 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Fuel Pressure Gauge and Auto Meter Fuel Pressure Gauges and Auto Meter Mechanical Fuel Pressure Gauges.