Having a garage sort out and came across a pair of 30mm Porsche Boxster wheel spacers and proper shouldered bolts
(https://i.postimg.cc/8cQSLWGh/DSCN0004.jpg) (https://postimg.cc/ygPtHDkd)
(https://i.postimg.cc/RZsxX29C/DSCN0005.jpg) (https://postimg.cc/NKHn0J5Z)
£60 p+p