Maybe too old fashioned with the exposed terminals and nothing the right size.... but they do a modern 063 which is correct size (I think) 207mmx175mmx175mm. Same as 076 form factor.
I know nothing about Fulvia batteries, but a small company like Lincon is worth using, especially for me as it is local. Offhand, does anyone know when the exposed terminal style battery got overtaken by the modern sealed unit? I am sure Lincon would readily provide the answer!
Nowadays there are different types of battery .... the 'new' ones much higher rated to cope with the auto stop start technology introduced for economy. I tried to recharge one of these new types with my 'old faithful' battery charger .... nothing doing!!!