This is a complete head gasket set with a copper/steel head gasket made by Mini Spares. They claim it to be an improvement on the Payen copper/steel head gasket. They claim to have improved on the sealing rings over the Payem design as well. They appear to be very well made and have been sold to the Mini population quite a bit now. We don't have first hand experience with them on a car yet, but thought they would be a good addition to our inventory.