Description:Cat clutch pistons are a key component in the planetary assemblies that power tough Cat transmissions to convert engine power into the exact combination of speed and force required by individual machines.Attributes:• Cast iron clutch piston• (40) tooth external spline provides exact OEM fit• Width: 52.26 mm (2.057 in)• Inside Diameter: 165.35 mm (6.5098 in)• Outside Diameter: 298.53 mm (11.753 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.