Clutch Masters 8.50 Twin Disc Aluminum Flywheel | 2003 - 2006 Infiniti G35 (FW-919-B-TDA)8. 50 Twin Disc Aluminum Flywheel by Clutch Masters Through decades of experience and engineering we have developed our line of performance clutches to address these problems. This engineering breakthrough has been proven for many years now in high performance street, drift, drag, and circuit racing with people opting to use our clutch kits for their projects time and time again. We hope that by educating consumers such as yourself on the benefits of