AutoMeter Ultra Lite II gauges feature satin anodized Super Bezels and dials with black numbering and increments white "through-the-dial" patented LED lighting technology and glowing red pointers for superior visibility. When illuminated the gauges display in a reverse configuration (black dial with white numbers and amber accents).This is a 3-3/8" Full Sweep 10000 RPM tachometer that will operate on 4 6 or 8 cylinder engines with most factory or aftermarket ignition systems.Included with Tachometer: Mounting bracketInstallation instructions Made in USA.