Ultra-Lite Series Fuel Pressure Gauge AU4611Ultra Lite Series Fuel Pressure Gauge 4611 AU4611 2 5 8", Liquid Filled Mechanical, 0 15 psi ULTRA LITE 2 5 8" FUEL PRESS Requires 4 AN braided hose and mounting cup. Must be mounted outside vehicle These professional quality Ultra Lite series gauges are of aluminium construction which greatly reduces their weight. While their silver satin gauge face with black accents and a red pointer make these gauges very easy to read.