Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in Motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below.STANDARD RELEASE BEARING 35mm Inside Diameter - Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm - Suitable for use with most Ø115, Ø127 & Ø140mm r