Steel 18mm Spark Plug REPAIR INSERT For repairing Stripped Spark Plug Threads in early Iron Head Harley Motors Installs easily with a standard drill and tap Threaded inserts are self-locking. The pre-applied LOCTITE on the external threads activates immediately upon installation. Inserts are ready in 5-10 minutes. INSERT Specs: M18x1.5 Internal Thread (Standard 18mm Spark Plug Size) 1" x 12 NF External Thread 29/64" length SOLD EACH
Steel 18mm Spark Plug REPAIR INSERT For repairing Stripped Spark Plug Threads in early Iron Head Harley Motors Installs easily with a standard drill and tap Threaded inserts are self-locking. The pre-applied LOCTITE on the external threads activates immediately upon installation. Inserts are ready in 5-10 minutes. INSERT Specs: M18x1.5 Internal Thread (Standard 18mm Spark Plug Size) 1" x 12 NF External Thread 29/64" length SOLD EACH
