The MOMO steering wheel hub adapter is designed to meet the needs of today's demanding customers. It is made from the materials of the highest possible quality. This Momo product will ensure great reliability and provide trouble-free service life for decades to come. MOMO steering wheel hub adapters use a unique design that incorporates a collapsible steel center section for added safety, attached to a splined aluminum base that matches the spline on your vehicles steering shaft. This is covered by a plastic bellows to give it a professional finished appearance. Features Momo Race hub (no internal collapsible safety cage)For Race Use Only Genuine MOMO product Adapts steering wheels with a 70mm PCD pattern (Momo, Sparco, Works Bell, etc) Made from cast aluminum Made and imported from Italy Included 1 x horn button retaining ring 6 x tapering hardware w/tool Vehicle Fitment 83-91 BMW E30 86-88 BMW E28 87-89 BMW E24 87-94 BMW E32 Note: images used for illustration purposes