Feature●Modern white LED through-the-dial lighting provides clear visibility during nighttime use●Compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.●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●12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system●Optimize use of your engines power band and improve vehicle run performance and driver gear changes with a rapid response, high visibility user-programmable shift light.Description The same race proven movements used in the original Sport-Comp gauges, this series adds superior white LED through the dial lighting technology and glowing red pointers.