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: Luminescent dials glow green at night for dimly lit tracks when no battery is available to light conventional instruments For racing use only - Not intended for street applications No electrical system required for gauge operation - compatible with every street or race vehicle AutoMeter’s race proven mechanical instruments provide trusted accuracy and durability in the harshest environments while being simple to install Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, mounting hardware, and detailed instructions for installation Product Description: 2-5/8" Oil Pressure Gauge, 0-100 PSI, Ultra-NitePit Stop USA offers Auto Meter Ultra-Nite Oil Pressure Gauge - 2-5/8" - 0-100 PSI 4521 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.