Acura RSX

This Circuit Hero product helps eliminate unnecessary parts for a K-series race engine build. This billet coolant plug eliminates the coolant pipe ...

Hybrid Racing Low Temp Thermostat - K20A/K20A2/K20A3/K20Z1/K24A1 Engines Running your RSX or Civic Si hard at the track and fighting overheating? ...

Some of you may be interested in deleting the heater hoses and core from your K-swapped vehicle. The Hybrid Racing T-stat plug and bracket allows y...

Stylish & Versatile Our thermostat housing was designed for customers looking for OEM quality parts that function beyond the constraints of fa...