This horn button have to be used with a standard retaining ring
Without yellow centre marker
This adapter will allow you to mount your 6-bolt MOMO or other 6x70mm pattern steering wheel to the steering column on your Honda Prelude 3rd Gen
Yellow centre marker at 12 oclock
this B-G horn button retaining ring is compatible with all MOMO horn buttons that require a securing plate from the rear of the steering wheel
Luisi Steering Wheel Hub Boss Kit Adapter Fiat Barchetta >1995 and onwards< With Airbag FAV This horn button have toThis adapter will allow you to mount your 6x70mm or 6x74mm bolt pattern steering wheel to the steering column on your Fiat Barchetta. Luisi hub adapters are produced in Italy from the finest cast aluminum materials. Luisi hub adapter boss kits are dual drilled to be compatible with various steering wheels featuring either a 6x70mm PCD (such as MOMO, Sport Line, OMP, Sparco, Sabelt etc.) or a 6x74mm PCD (such as Luisi, Nardi, Personal, Raid, etc.).