Universal Fuel Pressure Liquid Filled Regulator Gauge Adapter Kit 0-100PSI Black Description: This fuel pressure gauge kit can provide you a way of more accurate reading, because the liquid filled so the needle won't vibrate. Features: This liquid filled pressure gauge kit allows for accurately measuring fuel pressure. Designed to maintain the optimal fuel rail pressure for high performance/turbocharged engine. It can delivers vehicles' highest performance, with long life and highly reliable operation. A proper fuel pressure is critical at full throttle to prevent lean conditions. Recommended for use when you install a fuel pressure regulator, turbo kit or supercharger for a complete, accurate fuel delivery tuning system. Comes with fitting for easy installation, directly mount on top of your existing fuel filter. Specifications: Material: Aluminum Color: Red, Blue, Black (optional) Size: 4.7 * 5.5 * 5.5cm/1.9 * 2.2 * 2.2in Package Weight: approx.160g Fitment: Universal Package List: 1 * Fuel Pressure Gauge