New

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

Circuit Hero high pressure radiator cap uses a 1.3 Kgf/cm² spring to increase your coolant/antifreeze boiling point and protect your engine. An add...

Ensure peak cooling performance with the Circuit Hero Cooling Plate. Here's why it's a must-have for your vehicle:Maximize Cooling Efficiency: Say ...