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 balance piston• (50) tooth internal spline provides exact OEM fit• Width: 27 mm (1.0629 in)• Inside Diameter: 77.42 mm (3.048 in)• Outside Diameter: 260.34 mm (10.2496 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.