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• Six external flanges provide exact OEM fit• Outside Diameter: 626 mm (24.645 in)• Inside Diameter: 448.25 mm (17.874 in)• Width: 31.55 mm (0.958 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.