A Valve Bolt is a small, threaded fastener that is used to secure the oil filter to the engine. It holds the valve in place. It is tightened to a specific torque setting to ensure that the valve is secure and that it does not leak. The valve bolt transmits the force of the valve spring to the valve stem, which helps to keep the valve closed.Attributes:• Prevents the valve from vibrating or rattling by providing a secure mounting point for the valve• Manufactured to precise specifications and is durable and reliableApplications:A Valve Bolt allows the valve to rotate smoothly as it opens and closes.