What is the Valve lash on a Norris cam 342?

The valve lash on a Norris Cam 342 typically refers to the clearance between the valve stem and the rocker arm or cam follower when the valve is closed. This clearance is crucial for ensuring proper valve operation and preventing damage. While the specific lash settings can vary based on the engine and application, it is generally recommended to consult the manufacturer's specifications or a service manual for precise measurements. Proper adjustment of valve lash is essential for optimal engine performance and longevity.