Mr. Gasket 6906 Wheel Dust Shield Designed to conceal rusty brake components and stop unsightly brake dust Ideal for use on most domestic and import cars with alloy or custom wheels Bolt circle range of the wheel dust shield is 4-1/2 or 5 Outside diameter measures 13-3/16 with 5 wheel lugs Made of black aluminum Wheel Dust Shields are available to fit most 14", 15" and 16" diameter wheels, and are packaged two per set. Will not fit front wheel drive applications