SPARK PLUG HOLE THREAD CHASER. Double-ended for both 14mm and 18mm threads. Use with 13/16" spark plug socket or deep socket.
New Spark Plug Tester Double-Hole 1000-6000rpm for 12V Gasoline Vehicles
OEM Tools Spark Plug Hole Thread Chaser, 14mm and 18mm, New
Lisle 65200 Deep Hole Aluminum Head M14x1.25 Spark Plug Hole Repair Kit
Helicoil 5523-18 18-1.5mm Spark Plug Hole Kit
Helicoil SPARK PLUG HOLE KIT 18-15MM 5523-18
Owatonna Tool Co. OTC 14mm 10mm Spark Plug Hole Thread Chaser M-1014 VTG USA
