Description
The head contains a fillet that leads into a seat face that is machined at a specified angle to match the machining of the valve seat to which it will match. The seating of the valve face to the valve seat is what provides the seal for the valve against combustion pressure.
Fitment ApplicationÂ
Make: Isuzu
Model: 4HF1Â Engine
Years: 2008Â To 2021
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