Injector protrusion can affect power from the engine. In addition to a single sealing washer (A) on the injector, the
thickness (B) of the head gasket controls injector protrusion.
Thicker service head gaskets are used when the head surface on the block has been refaced.
After machining, the block is identified as follows:
After determining the amount of machining that has been performed, refer to the parts catalog for the proper overยญ
sized head gasket.
