Description:Cat balance 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:• Steel balance piston• Thickness: 12 mm (0.472 in)• Inside Diameter: 214.18 mm (8.432 in)• Outside Diameter: 348.64 mm (13.7259 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.