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• Width: 32.22 mm (1.2685 in)• Inside Diameter: 270.25 mm (10.6397 in)• Outside Diameter: 310.54 mm (12.2259 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.