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: 326 mm (12.834 in)• Inside Diameter: 189.85 mm (7.474 in)• Width: 38.1 mm (1.500 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.