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• (28) tooth external spline provides exact OEM fit• Width: 35.8 mm (1.409 in)• Inside Diameter: 91.25 mm (3.5925 in)• Outside Diameter: 197.23 mm (7.7649 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.