Auto Meter American Muscle Street Rod Series features advanced hybrid dial technology combining Auto Meters signature white Hi-Def LED illumination and florescent red pointers for maximum readability.This is a 3-3/8 Full Sweep 8000 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.