A low-cost efficient spark plug gap setting tool for closing gaps on massive-electrode Aviation Spark Plugs. Great design allows it to clamp on to your workbench for easy gapping.

  • Manufactured from 4160 Tool Grade Steel
  • CNC Machined surfaces for exact alignment
  • Includes ATS450 Feeler Gauge
  • Clamps to workbench for easy one-handed operation
  • Compatible with all Champion, and Tempest Massive Electrode Spark Plugs