These are multilayer steel head gaskets. They are perfect for performance, turbo and race applications. If you are careful, they are also reusable.
As per the factory thickness, standard size is .070″ thick. Bore is 86mm.
If you need something other than standard please select the custom size option and enter the bore and thickness you need. These are made to order so there is a lead time of around 2 weeks (not including shipping).