Common upgrade on most small Fords is Capri/twin cam struts. They are getting rare and expensive ($200) pair, but they are a straight swap and most suspension places can convert them to coil-overs for you. If you get a set of later 2.8i Capri strut from the UK, they have Bilstein inserts as standard. You can buy the inserts of the shelf in Australia from bilstein.
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