The quality and fitting of the cam cover and spark plug seals is very good, but the cam cover washers are poor - they are slightly too big so don't fit properly and the rubber squishes out when torqued down giving an untidy finish.
Used the main rocker gaskets on my 4age 16v no problem. The circular ones dont fit the rocker cover though - they are too big. Had to source these elsewhere. They also aren't chromed like factory ones.