Spark Plug Electrode Clearance (SPEC) Piston Cutter
Cuts pistons for spark plug electrode clearance for both small and big block engines.
This tool threads into the spark plug hole with the piston top - dead center. It has an adjustable depth carbide cutter. Perfect location and depth placement every time.
Carbide cutter spun with your drill or die grinder.
Spark Plug Electrode Cutter: $98.50