Description:Clutch piston for torque converter used to transmit and multiply torque to the transmission.Attributes:• Cast iron clutch piston• (132) tooth external spline provides exact OEM fit• Width: 23.42 mm (0.922 in)• Inside Diameter: 353 mm (13.8976 in)• Outside Diameter: 424.63 mm (16.7177 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.