Cylinder Head and Spark Plug Rethreaders

Repair damaged 14mm spark plug threads by opening hole with a reamer/tap and screwing insert onto the spark plug. Use spark plug socket to install spark plug and insert. Remove plug and check that insert is properly seated. Set includes 1 each of 4 inserts: 3/8, 7/16, 1/2 and 3/4" reach and thread locking compound. Tap is designed for aluminum heads only.

Opens threads in damaged spark plug holes prior to using spark plug thread inserts. Use inserts 2126 through 2129 to repair 14mm spark plug holes on aluminum heads only.

14MM SPARK PLUG RETHREADERS

Use to replace damaged 14mm spark plug threads on aluminum head engines only. Use with 2123 Reamer/Tap to repair holes. Thread locking compound and 1 pair of inserts are included. Available in four different lengths:

Use to clean and restore the threads on 14mm spark plug holes prior to installing the spark plug. Tool features extra-long neck for access to recessed spark plug cavities. Groove and 0-ring hold tool in socket. Use with 3/8" drive tool or 5/8" socket.

Clean and restore spark plug threads. Use with a 13/16" socket. Rubber ring eliminates slipping. Tool services most cars.