Description:Cat retainers are designed to retain components in the correct position for their application. Durable construction and materials ensure long life.Attributes:• Material: Cast Iron• Outside Diameter: 556 mm (21.889 in)• Inside Diameter: 425.68 mm (16.759 in)• Width: 98.1 mm (3.862 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.