Apexi Auto Pen Turbo Timer - Silver. The A'pexi auto timer features a compact interface design (4 x 3/4 x 5/8 inches) with a separate control unit that can be hidden away underneath the dash. The Auto Timer is also the first timer with an integrated air-fuel ratio monitor. The unit reads O2 sensor signal from the ECU and extrapolates and air-fuel ratio value. The Auto Timer can detect the engine load before shutdown and adjusts the idle time accordingly. Finally, the Auto Timer has a safety/security feature that immediately shuts down the engine when the parking brake is released.

Please note HKS turbo timer harness can be used as it is compatible.