Garrett
Garrett Various Speed Sensor Kit (Street) for G Series Models
781328-0003
$549.54

Innovate Motorsports
Program Cable (4-pin to DB9 PC)
The Serial Program Cable will allow you to connect the MTX series gauges, LM-2, LC-2 SCG-1, PSB-1, and PSN-1 to your PC.
Program Cable (MTX series gauges, LM-2, LC-2, SCG-1, PSB-1, and PSN-1.)