A Projection Gauge Block is a precision instrument made to accurately measure the amount of valve recession in an engine. It consists of a precisely machined block with calibrated markings and a reference point. The gauge block is used in conjunction with other tools in the engine valve recession tool kit to determine the valve recession and assess the condition of the engine's valves.Attributes:• Made from steel with properties that maintain hardness for long wear life• Helps in making informed decisions regarding valve maintenance, repair, or replacementApplications:A Projection Gauge Block provides precise measurements of valve recession. This measurement helps in assessing the wear or erosion of the valves and guides further maintenance or replacement actions.