here is a contact where i get my 92 mm for 18RG, i don't seem to have any problems with these gaskets. part num .. SPC/-TOY18RG 1 1.5 mm ps1201
these are made to 93mm bore size so they will do the job
Specialised Gaskets
30 Bunya street Eagle Farm
Brisbane Queensland 4007
ph 07 33650799
fax 0732687074
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