Product details:
VDO Gauges 333152: Tachometer, Vision, 0-3,000 rpm, 3 3/8 in., Analog, Electrical, In-Dash, Each - VDO Vision Series tachometers represent a technological advancement in instrument illumination and installation. Using fiber-optic technology, they feature VDO's Trioptic through-dial lighting technology for superb nighttime illumination. VDO's Spin-Lock mounting system uses a spin-on clamp, which holds the gauges with 360 degrees of force, preventing panel warping and gauge rotation. Other features include air core electric movements, computer-balanced pointers, and the ability to change the illumination colors from white, to red, to green with the light diffusers that are included.