Optimize use of your engine's power band and improve vehicle run performance and driver gear changes with a rapid response, high visibility user-programmable shift light. 5 Pedestal Tachometer Gauge 10K RPM for Racing Shift Light Tachometer Auto Meter Mustang Ultra-Lite Series 5-Inch Pedestal Tachometer With Tachometer Shift Light The Patented Air Core Meter Movement, Wound In House To Exacting Standards, Can Move The Needle From 0 - 10,000 Rpm In 333 Milliseconds. An Ultra Bright Shift... Auto Meter’s race proven air-core electric tachometers provide quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds AutoMeter Ultra-Lite II Tachometers These Ultra-Lite II tachometers from AutoMeter feature intense "through-the-dial" white LED lighting and a brilliant LED-lit pointer for maximum visibility Compatible with 1 - 4 pulse ignition signals (2-8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.