Manufacturer's Part Number:
Summit Racing Part Number:
This item may be required for an ECM tachometer signal in order for the gauge to have an accurate reading.
Choose In-store pick-up (OH, GA, NV) on our web site.
Some engines only offer a tachometer signal wire directly from the ECM. The Classic Instruments ECM tachometer signal adapters are designed for use with Classic Instruments tachometers. The adapters interface between the factory ECM tach signal wire and convert it to a signal that the Classic Instruments tach can read.