Top of the line mechanical 2 5/8” gauges have built in LED lights for back lighting and warning lights. 
• Gauge will automatically switch from white light to designated colored light when a problem arises, so no warning lights necessary. 
• All aluminum gauge housing is lightweight and durable. White face gauges, black panel. 
• Extreme series is designed with the serious hardcore racer in mind. 
• Tachometer works with 4-6-8 Cylinder engine applications and will work with most conventional and electronic ignitions including MSD boxes.