Mark_Walton56Hi there Carnot, once again thank you for that information, and for the photo, will try George, so 8 would be for where the cast injector holder sits into the head, and the other 4 being smaller for the bolts between the cast holder and head?
Hope this clarifies. Sorry for poor pic. All I could find on short notice. Each injector holder has 2 phenolic washers (#38A). The washers are on the bolt holding the injector holder to the head. One washer above holder, and one below. There also appears to be a lock washer (#37) or other on the bolt. The O-ring (#38) sits between the holder and the head.
