These 2-1/4" tachometers were designed to offer aviation styling and performance for all types of aircraft. These tachs have high resolution and easy to read displays. The analog model has a 250° sweep which provides great resolution in both the 3500 and 7000 ranges. The digital model has a bright LED display. Separate power source required. Installation is simple. The spark plug wire wrap type impulse sensors are coiled around the unshielded portion of the spark plug leads and the power leads are connected to the lighting coil or battery source. Instructions included. Applicable to 2 or 4 cylinder, 2 or 4 cycle, and CDI or magneto ignition systems.

Lycoming/Continental
(to replace mechanical tachs)
Current: 37 milliamps ­ Size: 2.25" round x 2.75"deep

Magnetic pickup (6 ft. cable length) included with P/N's 10-02141 and 10-02140 (T1A9).

6 ft. harness, sending unit, and .156 diameter tang adapter included with P/N 10-00083 (1A3-4).

Click here to download the Installation Instruction in pdf.