ABN Spark Plug Thread Repair Rethreading Set, 14mm Metric – Rethreading Tool Kit – Comprehensive Taps, Inserts, & More

REPAIR DEEP-SEATED PLUGS: The ABN Spark Plug Thread Repair Rethreading Set, 14mm Metric – Rethreading Tool Kit is a comprehensive and time-saving kit that incorporates taper and lug taps together with integrated ream to allow you to fix a stripped spark plug threaded port and repair deep-seated plug configurations

VARIOUS APPLICATIONS: High-speed steel (HSS) ST14x1.25 M14x1.25 (14mm thread size) suitable for damaged spark plug threads to clean and rethread spark plug ports with either a tapered seat or a gasket seal type spark plug assembly on a lawn mower, car, or other vehicle engine; Stepped tap ensures correct alignment of cutter in existing spark plug hole; Extension tools allow easy access to the bottom of the plug recess (includes plug inserts)

EASY TO USE: Cut a larger threaded hole in cylinder head with tap, screw insert into head, screw plug into insert, use expander to help seat insert by tapping with a hammer; Select insert that covers as much of the plug threads as possible to avoid carbon buildup (this can make unscrewing plug from insert difficult); Use grease on flutes and any cutting tool to catch shavings, clean often, and vacuum when finished (grease not included)

EASY STORAGE: Heavy-duty 9.6” x 4.75” x 1.5” inch (24.4cm x 12.1cm x 3.8cm) metal carrying case with a plastic molded insert tray for easy transportation, safe storage, and quick organization

PACKAGE CONTENTS: Package includes drill taps (14mm), tap holder, insert installer, wedge and handle, inserts, Allen wrench hex key, and storage case for your convenience

Fix a stripped spark plug threaded port with the ABN Spark Plug Thread Repair Rethreading Set. The 14mm thread size is suitable for damaged spark plug threads with either a tapered seat or a gasket seal type spark plug assembly. The stepped tap ensures correct alignment of the cutter in an existing spark plug hole, and the extension tools allow easy access to the bottom of the plug recess (includes plug inserts). If you are performing this fix without removing the head from the vehicle, you may not have enough room to use the expander effectively. Cut a larger threaded hole in the cylinder head with the tap, screw the insert into the head, screw the plug into the insert, and use the expander to seat the insert. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.