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” NPT connection makes installation easy. Fittings and nylon tube are included and optional braided stainless line kits are available.Features: Traditional incandescent lighting illuminates around the perimeter of the dial AutoMeter’s race proven mechanical instruments provide trusted accuracy while being simple to install No electrical system required for gauge operation - compatible with every street or race vehicle Mechanical movements provide accuracy and durability even in the harshest environments Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Product Description: 2-5/8" Oil Pressure Gauge, 0-100 PSI, Liquid Filled, Ultra-LitePit Stop USA offers Auto Meter Liquid-Filled Oil Pressure Gauges - 2-5/8" - 0-100 PSI 4621 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Mechanical Oil Pressure Gauges and Auto Meter Oil Pressure Gauges.