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 Liquid dampened movement provides smooth pointer movement and extended service life in harsh environment applications. Liquid filled design for superior resistance to shock, vibration, and the elements. 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, Liquid Filled, Ultra-NitePit Stop USA offers Auto Meter 2-5/8" Ultra-Nite Oil Pressure Gauge - 0-100 psi 4221 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Mechanical Oil Pressure Gauges.