New to A body

Greetin's all,
Not an A body owner, but a Mopar guy for 40+ years, have several Chargers and a couple of Challengers. Reason for being here is another good Mopar friend just got a 66 Valiant and needs floor pan. Came here to see what might work, as it seems there are not 66 specific floor pans available.

Thanks,
RT