VDO Allentare Black 80PSI Oil Pressure Gauge - Use with Marine 240-33 Ohm Sender - 12V - Black Bezel - 350-11800Allentare Black 80PSI Oil Pressure Gauge Use w Marine 240 33 Ohm Sender 12V Black Bezel Allentare marine gauges provide an ideal, cost effective solution for new boats or drop in replacement gauge for older boats. Allentare gauges are designed to work with most commonly found marine senders and wiring harnesses used today. Features: Connection: M4 Stud Mounting Hardware: Included Diameter: 2 1 16" Diameter (Metric): 52mm Max Range Outer Scale: 80 PSI