Tilton competition flywheel to suit the Toyota Supra MkIV 2JZGTE Engine allows the use of 7 1/4" (184mm) step type competition clutches. It has a integral cut ring gear for higher reliability and a reduction in inertia to offer excellent performance advantages over standard or lower cost competition flywheels. This flywheel can be used with either tilton carbon/carbon clutches, Tilton sintered clutches or Tilton cerametallic clutches.