Tachometer Gauge - Omega Brown , Yellow Modern Needles, Chrome Trim Rings ~ Style Kit InstalledRev up in style with Aurora Tachometers. Each tachometer offers precise stepper motor control and needle accuracy comparable to tachometers 3 times the price. Aurora programable tachometers will work on engines with 3 to 16 cylinders - no adapters required! Aurora's unique auto-calibration design make setting up your tachometer a snap the 1st time. All aurora tachometers include interchangeable trim rings, needles, and gauge faces - allowing you to change the look of your tachometer before or after installation. Backed by a Limited Lifetime Warranty.Aurora gauges offers the worlds largest selection of gauges and instrumentation for your ride, and are the world's only gauges offering interchangeable gauge faces, trim rings, and needles.