Here are some pictures of the two different styles of release bearings mentioned in the comments above. The correct release bearing must be matched with the appropriate pressure plate. I believe there are custom release bearings available. The best people in the business are these guys: Brake & Clutch Supply Ask for Richie 407 So 8th St Waco, Tx 76706 254-752-4307 Fax 254-752-7533