What Size Torque Wrench for Spark Plugs?
The correct torque wrench size for most spark plugs is a 3/8-inch drive wrench. This drive size perfectly fits the common 5/8-inch or 13/16-inch spark plug sockets used on the vast majority of vehicles. Using the right tool prevents costly damage from over-tightening or dangerous leaks from under-tightening. This simple step is crucial for optimal … Read more