Ryan ,
apologies for the delay .
the company is KBSS of Astley in Leicestershire 01455 283407

the spring seats i have on my invoice are 57mm E4- FT4-Z00 (LOL ! )
and are £4.00 each , the rings are £2 each .
See, cheap when you know the right people ! I think it was bob is talk to up there , nice guys and helpful too . You will be pleased to hear that these are about £100 a corner. My new shox are £2400 a corner, i shit you not !

regards
tony