AutoMeter RPM Signal Tach Adapter for Diesel Engines Wheels>Wheels - Forged providing a 4 pulse per

providing a 4 pulse per revolution

325in - Steel - Ford SB & 6 Cyl - 4 Bolt OEM - 3

Includes universal filter sock

For use with all Mechanical

AutoMeter RPM Signal Tach Adapter for Diesel Engines Wheels>Wheels - Forged providing a 4 pulse perThis compact and easy to install module will allow you to easily adapt AutoMeter tachometers and shift lights and many other aftermarket RPM based devices on your alternator equipped diesel or non standard ignition gasoline engine. Equipped with a sensor which is mounted to the alternator casing, a one time setup calibration is accomplished via push button interface on the module to synchronize the alternator signal with engine crank RPM. Perfect for