ProForm Wireless Mini Digital Shift Light and diagnostic tachometer, manufacturer part 67006C. Unlike the wired display version, its transmitter is installed under the bonnet using a three-wire connection, while the portable shift-light display communicates wirelessly.

Manufacturer specifications

• Part number: 67006C
• Adjustable shift point: 100–12,000 RPM in 100 RPM increments
• Selectable 1–12 cylinder settings
• Three-LED shift indicator and digital tachometer display
• Adjustable display brightness and display on/off setting
• Detachable display for diagnostic tachometer use during stationary tuning
• Some late-model applications may require a tach adapter

Follow the official ProForm installation instructions and the engine manufacturer's recommended safe shift RPM.