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 aluminum• Thickness: 38.28 mm (1.507 in)• Inside Diameter: 82.25 mm (3.238 in)• Outside Diameter: 187 mm (7.362 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.