Auto Meter 3903 Sport-Comp Shift-Lite Tachometer5.000 in.

Traditional incandescent lighting illuminates the front of the dial 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system AutoMeter'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 Compatible with 1, 2, 3, & 4 pulse per revolution ignition RPM signals (2, 4, 6, & 8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions. 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.