Hybrid Racing K-Series Swap Coolant Temp Sensor Adapter interior 55 liters) allowing for a

55 liters) allowing for a greater volume of coolant to carry heat away from the engine internals while maintaining a tidy engine bay

The countersunk version weighs approximately 461g

After hours of designing and dyno teWRX STIng

Fully welded and anodized expansion tank (red or black)

20 years ago

Hybrid Racing K-Series Swap Coolant Temp Sensor Adapter interior 55 liters) allowing for aThis useful fitting allows you to insert a factory B D coolant temp sensor into the upper section of the K Series coolant system. This is required since the older generation gauge clusters can't understand the information being send from the K Series ECU. Thread the adapter in, screw the coolant sensor in and you'll have a working temp gauge! This adapter replaces the OEM idle air assist valve (not used on K Swaps) leaving you with the perfect spot to