AutoMeter 5V Regulator Stub For St81Xx Displays 2005 & Newer

This component plugs directly onto the 'REG' connector of your ST8100 series display wire loom and is responsible for controlling supplied power to your solid state pressure sensors making it an excellent spare to keep on the hauler for when the unexpected happens.
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.