Hello, I had someone adjust the valves on my 1995 diesel truck about 2 months ago and my gaskets are leaking now and very badly. I had this job done in Canada when my wife and I were visiting friends. Its about 200 miles up there. They say they put new gaskets in. I removed two of the gaskets and they are made of rubber and you can tell by all the oil under the gasket that they were leaking. Now, I would like to put new gaskets on but what are the best ones to put on? Can anybody help. :help: