Wanted - Seat hook, spring, etc under seat for locking!

[stephen2us]

just got a 1981 xs400 special II, and the seat isn't locking... finally figured out that the rod, seat hook, and spring(s) that are suppose to be under the seat aren't there. i have to the two metal tabs (brackets) with the two holes, but everything else under the seat is missing.... anybody have the extras that I need?

Thanks
steve