Auto Meter Tachometer Adapters are designed for vehicles with coil-over-plug ignition systems, and other late model vehicles where no tachometer output or signal wire is available. They allow most late model distributorless vehicles to have a tachometer installed. They are specially designed to simplify your mechanical gauge installations. These adapters offer an easy way to install pressure and temperature gauges into most cars with fittings. Auto Meter offers an extensive selection of accessories to use with your quality instruments for maximum performance, whether you are looking for high quality electric accessories to supplement you Auto Meter products or just need parts for a customer application. These adapters and fittings are adapters for pressure gauges. These miscellaneous fittings and adpters make your installation quick and easy.