RAM Clutches 9330 Circle Track Assault Weapon Series-6.25 remains one of the lightest and most affordable metallic clutches available for Oval and Road Racing. Measuring at 6-1/4-Inches in Diameter, they are fully an Inch smaller in diameter than competing brands. The open design of the RAM 6.25 Assault Weapon Series combined with its thicker RAM-Metallic Paddle Friction Discs allow for an excellent service life and drivability. Easily works with the RAM hydraulic release bearing. RAM Clutches are the Champions Choice.