AIM TR Oil/Water Temperature Sensor - 1/8 NPT, 719 Connector Category_Data Expansion The RPM Bridge is necessary

The RPM Bridge is necessary on cars that do not have an AIM compatible ECU (such as classic cars)

while the tailored fit prevents bunching and excessive flapping at speed when worn over a standard karting suit

In addition

The smartly designed Alpinestars Engine Gloves feature a built-in magnet to help hold small screws and bolts so you don't lose them in the engine bay

This cable also includes an integrated external microphone

AIM TR Oil/Water Temperature Sensor - 1/8 NPT, 719 Connector Category_Data Expansion The RPM Bridge is necessaryAIM TR Sensor measures oil, water, or any other fluid temperatures. AIM's 4 Pin 719 style plug is compatible with most AIM auto systems. 1 8 NPT sensor size with 2K resistor.