SetHUDItemEnabled( HUD_ARMOUR, false );
SetHUDItemEnabled( HUD_CLOCK, false );
SetHUDItemEnabled( HUD_HEALTH, false );
SetHUDItemEnabled( HUD_MONEY, false );
SetHUDItemEnabled( HUD_WANTED, false );
SetHUDItemEnabled( HUD_WEAPON, false );
SetHUDItemEnabled( HUD_WEAPON, false );
SetHUDItemEnabled( HUD_RADAR, false );
and true, but those are all the options if im right.
False removes the Item, True enables them back.