The life blood of your engine, a lack of oil pressure is one of the most catastrophic scenarios that can happen. Knowing the precise pressure is critical to both its longevity and performance, as well as your peace of mind. AutoMeter’s Mechanical Oil Pressure Gauge utilizes the most advanced bourdon tube meter movement on the market to deliver accuracy and durability you won’t find anywhere else. A simple 1/8 inch NPT connection makes installation easy. Fittings and nylon tube are included and optional braided stainless line kits are available. Gauge kit includes 1/8 inch nylon line, 1/8 inch NPT compression fittings, 1/4 inch NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation.