Faria Beede Instruments 33842 Chesapeake Tachometer 4000 Rpm Gauge - White Ss, 4", Beige Decals ALTHOUGH THE DATA IS BELIEVED

ALTHOUGH THE DATA IS BELIEVED TO BE ACCURATE

You need to buy the 14 inch

1pc OEM Black Grille Ss Emblem 3D Badge Compatible with Camaro Ss Z71 1LE Flat Matte Red

Red Wire: Constant power

Fits OEM Part Number: 22889517

Faria Beede Instruments 33842 Chesapeake Tachometer 4000 Rpm Gauge - White Ss, 4", Beige Decals ALTHOUGH THE DATA IS BELIEVEDTachometers work by counting pulses generated by the ignition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12vDC, Ground. By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution.