Chrono Series3-3/8″Tachometer by Auto Meter Since 1957, AutoMeter has set the standard in performance, accuracy and durability with their legendary Tachometers. The absolute pinnacle of engineering and technology, its no wonder AutoMeter can lay claim to more motorsports victories than every other gauge manufacturer combined. The patented air core meter movement, wound in house to exacting standards, can move the needle from 0 – 10,000 rpm in 333 milliseconds. An inaugural inductee to the Hot Rod Speed Parts Hall of Fame, no other tachometer on the market has had anything approaching its impact on professional racing. Built for a lifetime of service under the harshest conditions, this is the no compromise tach for no compromise builds. When youre ready for the best, there isnt another choice. Features Unique three dimensional dial design gives added depth and style to your custom dash Compatible with most 4, 6, and 8 cylinder engines (2 – 4 pulse per revolution ignition signals) with points, electronic, and most 12V high-performance racing ignitions. Features metric and imperial scalings for easily relatable readings on applications around the world without the need for mental unit conversions Modern white LED through-the-dial lighting provides clear visibility during nighttime use 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system AutoMeters 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 Applications Universal Specifications Size: 3-3/8″ (85.7mm) Type: Air-Core Range: 0-10,000 RPM Lighting: LED What’s In The Box? 1 – Chrono Series Tachometer 1 – Wiring Harness Mounting Hardware Install Instructions Warranty Manufacturer Standard Warranty