Abstract: A wheel cover attachment assembly for vehicles has an engagement clip member and a detent member which fit together. Arms project from the clip. The arms having a pointed end to facilitate entry into the groove of a tire rim. The arms have claws to diggingly grip into the rim. The clip has projecting feet with toes for gripping a recess wall of a wheel cover to hold the clip thereto. The detent has a projecting nose which is aligned with the clip arms, and a pair of legs aligned with the clip legs. The end of the detent nose has an upper slanted surface and an arcuate underside to facilitate removel from the rim. The detent has bosses that fit in holes of the clip to hold the two together during assembly. The detent nose is of a resilient self-lubricating material such as plastic. The detent nose and the clip arms are shaped so that upon insertion, a side of the nose has substantial contact with the tire rim while the edges of the clip arms do not.