1967-1972 Chevy GMC Truck Tachometer Circuit Board Pre-Calibrated
Direct replacement tachometer circuit board for 1967–1972 Chevy and GMC trucks equipped with factory General Motors tachometers that use the large round circuit board style. We pre-calibrate the board based on the information you provide when ordering.
Important: Not compatible with aftermarket tachometers — factory GM tachometers only.
Fitment:
- 1967–1972 Chevy and GMC trucks (C10, Blazer, Cheyenne, and similar models) with factory GM tachometer
- Board style required: large round type (verify before ordering)
Calibration info required at order:
- Add your information: Engine, maximum RPM of gauge. (example 8cyl, 6000RPM):
Highlights:
- New direct replacement circuit board
- Pre-calibrated to your tachometer application
- Works with HEI, most aftermarket ignition systems, and points-type ignition systems
- Mounting bolts may be required depending on your application (bolts included)
Installation notes:
- If using a points-type ignition system, a 12V jumper wire will be needed to power this tachometer circuit board
- The circuit board is labeled to help simplify wiring and installation
- After removing the tachometer from the gauge cluster, installation is typically a bolt/unbolt swap of the circuit board
- Soldering or crimping 2 connectors may be necessary on some applications
Limitations: Factory GM tachometers only. Verify your original board is the large round type before purchase.
