Optimill slimline boss, measuring only 32mm in depth. Manufactured from a single anodized billet aluminium. Momo horn button will no longer fit due to this being so slim therefore an Optimill cap is supplied. Boss is supplied with screws and pins to cancel the indicators.
Note - Optimal steering bosses DA8880/1/2/3 don’t fit Mountney steering wheels DA4650 & DA4654.
