The Cylinder Head Exhaust Valve Seat Insert creates a tight seal between the exhaust valve and the cylinder head. This seal prevents the escape of combustion gases from the combustion chamber into the valve train and exhaust unit, ensuring efficient engine operation.Attributes:• Withstands the constant contact and friction with the exhaust valve• Manufactured to precise specifications and are built for durability and reliabilityApplications:The Cylinder Head Exhaust Valve Seat Insert provides a durable and heat-resistant seating surface for the exhaust valve, ensuring efficient combustion and preventing the escape of exhaust gases.