3 3/4 in. Pedestal Mount Tachometer0-8,000 RPMElectricalChrome HousingWhite FaceChrome BezelSold Individually Tachometer Features:Can be mounted on a flat surface or steering column (clamp required for steering column mounting)270-degree sweepWorks with 2, 3, and 4 PPR (Pulses Per Revolution) signal inputs from a standard ignition coil (older 4, 6, and 8 cylinder vehicles)Works with 5 Volt and 12 Volt signal input from ECUs (Electronic Control Units), ignition controls, and tachometer adaptersWhite LED through dial lighting and illuminated pointer for easy viewing at nightIncludes:(1) Pedestal mount base(1) Mounting base to tachometer body machine screw: 4mm-0.7 x 1.1875 in. long with phillips pan head(1) Mounting base to tachometer body Nut: 4mm-0.7(3) Mounting base metal screws: # 8 x 1/2 in. long with tapered phillps head(1) Plastic wire tubing: .250 in. I.D. x 4.250 in. long(1) Installation Instructions