Can You Shorten Spark Plug Thread Repair Inserts?
Can You Shorten Spark Plug Thread Repair Inserts? Measure from either the spark plug (washer) or (taper) to the last thread. (NOT to the end of the electrode). This will give you the correct length on insert. TIME-SERT® inserts cannot be shortened for length. Does the thread length on a spark plug matter? There are