Description:Cat brake pistons are a critical component in the brake system for Cat machine drive trains, allowing the machines to slow, stop, or hold a stationary position.Attributes:• Material: Cast iron• Thickness: 25 mm (0.984 in)• Inside Diameter: 206 mm (8.110 in)• Outside Diameter: 328 mm (12.913 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.