🏁 Gauge Your Performance Like a Pro! Engineered to withstand the harshest environments. Race-proven mechanical instruments ensure trusted accuracy. No electrical system needed—works with any street or race vehicle. Includes everything you need: adapter, bulbs, and hardware. Detailed installation guide for a hassle-free setup. Easy installation Mechanical accuracy 2 1/16" diameter The AUTO METER 2607 Z-Series Mechanical Water Temperature Gauge is a high-performance instrument designed for both street and race vehicles. With a 2 1/16" diameter, it features traditional incandescent lighting, mechanical accuracy, and a complete installation kit, making it the perfect choice for enthusiasts seeking reliability and ease of use.