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:• Material: Cast Iron• Outside Diameter: 287.6 mm (11.322 in)• Inside Diameter: 111.38 mm (4.385 in)• Width: 34.1 mm (1.342 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.