Radium Clutch Fork Stop - Mitsubishi Evo 8-X Toyota Yaris GR The design uses a dual

The design uses a dual viton O-ring seal for a leak free connection

Installation guide here-> RB Block Pulley Conversion

This part is necessary to plug the port hole on the fuel hat top

Why not the Super 8

Radium Clutch Fork Stop - Mitsubishi Evo 8-X Toyota Yaris GR The design uses a dualThe Radium Engineering clutch fork return stop addresses a common problem on the Mitsubishi EVO pull type clutch slave cylinder. During hard shifting and fast clutch pedal operation, the clutch fork can return too far and cause the throw out bearing to become unclipped from the clutch fork. This results in expensive transmission removal to fix. The Radium clutch return stop prevents the fork from over traveling, eliminating a throw out bearing issue.