An Exhaust Valve Lash Feeler Gauge consists of thin, accurately engineered metal blades, each marked with specific thickness measurements. To use the gauge, technicians insert the appropriate blade between the rocker arm and the exhaust valve stem when the engine is at the top dead center. By sliding the blade back and forth, they can determine the exact clearance, and lash, between the components. Proper clearance ensures the exhaust valve closes correctly and prevents damage due to insufficient and excessive clearance.Attributes:• Offers smooth surface for easy sliding between components.• Features laser-etched markings for easy visibility.• Includes accurate measurement increments for accurate adjustments.Applications: An Exhaust Valve Lash Feeler Gauge is used to ensure that the exhaust valve clearance is correctly set according to the engine manufacturer's specifications.