A Valve Seat Insert is responsible for forming a tight seal between the intake valve and the cylinder head. This seal prevents combustion gases from escaping the combustion chamber and ensures optimal engine performance and efficiency. The insert is made of a durable material, to withstand the extreme conditions of the combustion environment.Attributes:• Withstands high temperatures, pressures, and repeated impacts from the intake valve• Manufactured to precise specifications and are built for durability and reliabilityApplications: A Valve Seat Insert provides a leak-proof seal between the intake valve and the cylinder head and helps dissipate heat away from the intake valve and into the cylinder head to prevent the valve from overheating.