An attachment system including an attachment sleeve or attachment arm is provided for attaching a wheel cover, or wheel trim to a vehicle. The attachment sleeve attaches to a nut present on the vehicle. The arm located within the axle housing of the wheel cover provides a compression fitting against parts of the rear hub of a vehicle. It is by compression engagement that the attachment sleeve or arm provides attachment of the wheel cover to the vehicle. Also disclosed is an attachment system kit and method of use thereof.