Has anybody checked these out:
https://www.ebay.co.uk/itm/4pcs-Aluminum-Coolant-Hose-Flange-Upgrade-Kit-For-VW-MK4-Golf-Jetta-1-8T-Audi-TT/163606041932?hash=item2617ae154c:g:AGwAAOSwyUpckbjr
These are vastly different than the ones for the 1.6 but maybe there are more out there that can be...