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: 22.45 mm (0.8838 in)• Inside Diameter: 290.25 mm (11.427 in)• Outside Diameter: 339.34 mm (13.3598 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.