The VDO Vision Range Tachometer range features a switchable function allowing the gauges to fit either 4, 6 or 8 cylinder engines.The Vision tachos have been developed to use fibre-optics, with VDO's Trioptic technology providing optimum night time illumination, clarity and low glare. The VDO Vision range of tachometers have been designed to blend in with a huge range of dash displays, being functional and unstated whilst also managing to provide a quality feel for the cockpit and the reliability VDO have become known for.Available in a wide range of sizes and rev rangesAnti fog and anti glare glass for optimum visibilityRed backlit needle for superb visibilityThe gauge is mounted with the stud mountings and standard U bracket which is ideal for high vibration applications or where the rear of the fixing panel is not flat. Alternatively mounting can be obtained using a spin lock (clamp ring) which provides 360° mounting force of the gauge to the dashboard (sold separately).80mm and 100mm diameter tachometers require optional 8 Way Block Connector kit - sold separately.