Features polished stainless steel bezels, non-fluctuating needles, incandescent back-lit translucent faces, chrome “Y” mount and handlebar clampsWater- and vibration-resistant constructionBezel diameters are 2.64”Overall length is 2.7”Color-coded wires and wiring instructionsTach adapter required for single-fire ignitions (pre-''04 models only).Matching 2.4” mechanical drive speedometers available separatelyInstalling an electronic tachometer on '04-'16 models will require the use of Part Number 2211-0160