Need '65-'66 spare wheel hold down bolt kit

Like the title says, I am looking for a '65-'66 spare wheel hold down bolt kit to suit an A-Body ...Valiant or similar. It's for my good friend over here with the early Australian Valiant. Thought I would see what you guys have. I believe it has a coach head type bolt, about 6 inches long with the wingnut and washer. Wheel is recessed into trunk floor, and sit flush with floor when covered.
Here are a couple of pics of the car ....

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Thanks in advance. :thumbsup: