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• Six external flanges provide exact OEM fit• Width: 24.5618 mm (0.967 in)• Inside Diameter: 450.85 mm (17.750 in)• Outside Diameter: 585.7748 mm (23.062 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.