In simple terms, the Valve Seat is the seat for the air intake valve and air exhaust valve. It is the part that makes contact with the valve, and maintains the airtightness of the combustion chamber.
You may have heard the term, valve job, because older engines frequently needed their valves reconditioned. You rarely hear about, valve problems or valve jobs in today’s engines. Because, modern (OHC) engines, have fewer parts […]