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:• Hardened steel clutch piston• (30) tooth external spline provides exact OEM fit• Width: 26 mm (1.0236 in)• Inside Diameter: 105.5 mm (4.1535 in)• Outside Diameter: 200.81 mm (7.9059 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.