Project Mu HC EP Rear Brake Pads Fungi Structure Diagram. HC EP is a premium performance street and rally brake pad. It has more bite than NS and has excellent fade resistance. Capable of operating at temperatures up to 600 DegC, this pad will handle almost all serious braking conditions. HC EP is a genuine 'cross over' pad that is suitable for both road and track days. HC EP is extremely capable in competition environments, so use this pad if you are involved in a serious track day, rally and hill climb. Along with temperature capabilities, HC EP are renowned as a 'drivers pad' with unmatched driver feel and control. The HC EP pads provide linear control commensurate with foot pressure on the brake pedal and maintain steadfast stability in all areas.