Spek-Pro 11k RPM Tachometers 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. 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 7 color user-selectable background illuminations (red, blue, green, white, yellow, orange, and violet) with adjustable brightness for day and night – with independent dimming of dial and pointer. Features a peak recall function, which enables the user to review high gauge readings. The highest reading will be stored by the gauge until it is cleared. Includes patented light-weight, spin-on bracket and pre-wired harness for simplified installation. Patented Wide Angle dial design provides the largest viewable dial available in a 5″ gauge. Precision 280 brushless stepper motor movement provides a quiet, fluid, and accurate pointer movement with superior dial resolution. User definable 5 LED alarm for high-visibility notification of Pit Road Speed and approaching redline. Helps drivers minimize speeding penalties and maximize gear selection with minimum distraction. Compatible with most 1-12 cylinder engines with 12v ignitions. Some applications may require a tachometer adapter, sold separately. Applications Universal Specifications Size: 5″ (127mm) Type: Digital Stepper Motor Range: 0-11,000 RPM Lighting: LED What’s In The Box? 1 – Spek-Pro Tachometer 1 – Wire Harness Mounting Hardware References Installation Instructions Wiring Diagram Programming Quick Reference Guide Warranty Manufacturer Standard Warranty