SRM Have invested in all new tooling for the BSA A10 and A65 gaskets, so the gaskets are uniform in colour, made from the correct material and to correct size unlike other makes currently on the market, the gaskets are made from Klingersill C4324 material, they are grey on one side and green on the other, thickness is 0.5mm.
To suit 1/4 stud, to 1970
