Generally
Gasket set for the steering gear, contains gaskets, packing boxes and seals. Most of what you need to seal a leaking steering wheel.
Please note that the inner Teflon seals that come with the kit do not fit your steerer shell
The O-Ring that sits under the rectangular aluminum cover is sometimes mounted on a plate and sometimes it is loose, they replace each other and none is better than the other. So there are different manufacturers on these kits, and we deliver what we have in stock at the moment.