GlowShift’s Black 7 Color Series 3-3/4" (95mm) On-Dash Tachometer with Shift Light delivers multiple ultra-high performance features, making it optimal for anyone with a 1 through 10 cylinder gas powered vehicle. This tach gauge reads from 0 to 10,000 RPM with incredible accuracy to ensure you are shifting at the right time, also protecting against unnecessary transmission wear. The Black 7 Color Series features a black gauge dial, magnified clear lens and 7 color options for the analog LED display.