Best Time-Sert in 2026

M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT

Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach

Spark plug thread repair kits by Time-Sert professional thread repair

M14x1.25 Repair stripped out spark plug threads without removing the head

This is Short Time-Sert tooling with 5 spark plug Inserts 9.4mm & 16.8mm

Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit

Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast

High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer

Total labor time as short as 25 mins, For use on 4.6L, 5.4L and 6.8 V-10 Ford Triton Two Valve Engines

This are woodworking project kit.Fit Type: Universal

This are highly durable

Made in China

Leading Manufacturer Of High-Quality Products

International Renown For Our Diverse Range Of Award-Winning Products

Fully Equipped With State-Of-The-Art Technology

Back-taper 12 millimeter thread straightening tool for motorcycle spark plug fouled threads

Collapsible design allows it to engage be placed through the spark plug hole and into the CHAMBER

Expands the tool's threaded area and threading into the clean threads

Simple and easy to use kit

For repairing tapped holes

Cost effective system creates stronger than original threads

Leading Manufacturer Of High-Quality Products.Fit Type: Universal

International Renown For Our Diverse Range Of Award-Winning Products

Fully Equipped With State-Of-The-Art Technology

Functionality: Designed to help you repair damaged cylinder heads with blown spark plugs; For both taper seat and gasket type spark plug assemblies

Versatility: Features 3 insert lengths; Engineered to fit the most common spark plug reaches; Essential parts of any thread restorer kit

Resilience: High quality 18-8 stainless steel wire; Specially designed diamond shaped cross section spring thread for extra hold

M10 x 1.25mm

Helicoil Thread Repair Kit

Supplied with three different length inserts

Installs a new solid steel spark plug thread insert in original thread location.

Set includes one-piece drill tap, long tap holder, short tap holder, insert installer, swedger and handle.

Includes four insert sizes: 5-16", 7/16", 11/16" and 1" (new size).

EASY REPAIR: Next time you have to repair a spark plug, just reach for this easy thread repair tool kit. You won’t need anything else for your repair, and anyone can use it. Keep in mind, this product is meant only for use with aluminum heads

QUALITY MATERIALS: Our spark plug thread repair kit is built to last with its steel parts

VARIOUS INSERTS: This kit comes with everything you need to repair spark plugs in your machine. The sizes include the following: 3/8”, 7/16”, 1/2”, and 3/4” inserts, as well as a combination tap/reamer

For use with 2004-2008 Ford three valve 5.4 L and 6.8 L engines built before 10-9-07 and 3 valve 4.6 L engines built before 11-30-07 found in many 2004–2008 Ford, Lincoln, and Mercury vehicles.Fit Type: Vehicle Specific

For use with Three Valve engines only.

16mm x 1. 5 Insert

This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.

Ideal for Restoring Damaged Threads, Suitable for Engine Repair and Other Automotive Applications.

Sae&Metric: The kit Has Altogether 300 Pieces, All Made According to Professional Standard.

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)

M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT

Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach

Spark plug thread repair kits by Time-Sert professional thread repair

REPAIR PLUGS: The ABN Thread Repair Tool Kit is a time-saving kit that allows you to cut threads to fix a stripped and damaged 14mm spark plug threaded hole port and repair plug configurations in aluminum heads; Socket includes metal retainers to keep plug held inside during install and removal

VARIOUS APPLICATIONS: Chrome-vanadium steel (CR-V) M14 x 1.25 internal thread size on repair sleeve suitable for damaged spark plug threads to clean and rethread spark plug ports on a BMW vehicle and some Nissan and Toyota engines; As long as the head is aluminum and the spark plug hole is straight with room to turn the tap using either a ratchet or wrench, this kit will allow you to repair plugs without removing the head

EASY TO USE: Rotate the crankshaft to make sure no ports/valves are open, use the tap to install new threads, choose the proper depth of insert, and screw it firmly into the newly tapped head; Apply grease on the tap to help catch any metal shavings (rather than letting them drop into the cylinder) and back out the tap out every half turn to every whole turn to clean the metal shavings from the tap; Grease recommended, not included

Rethreads damaged 14 millimeter spark plug holes in aluminum heads

Includes tap and 4 inserts: two 7/16", one 5/8" and one 13/16"

Rethreads damaged 14 millimeter spark plug holes in aluminum heads

UNC Coarse Series Kit

UNC 1/4 in - 20

Made of chrome vanadium steel for strength and durability

SUPERIOR RETHREADING: Make a difficult task easier with this retread tool; Thread repair kit repairs essential threads in spark plug holes; Used on non-tapered seat spark plugs

MORE MATERIALS: Stripped thread repair kit can also be used to rethread alloys, steel, plastics, and magnesium; Versatile Fix-a-Thread spark plug thread repair kits; Rethreads more than just spark plug holes

TIME SAVER: Spark plug hole rethreader cuts down on time needed to rethread spark plug holes; Spark plug repair kit saves money, preventing expensive repairs; Rethread tool reverses damage

Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs

Installs a new spark plug thread insert in original thread location

For more information check the main Lisle tool- 65000

16Pcs Spark Plug Thread Repair Tool Kit: This is a professional universal thread repair kit is suitable for repairing for spark plug threads 14mmx1.25mm, it has multiple different sizes of taps; it is a comprehensive kit that can make your repairing work much easier and more effective and convenient.Our spark plug thread kit is suitable for all kinds of products that require high thread strength.

Practical Spark Plug Tap Thread Repair Tools: This is a pretty practical effective spark plug thread repair tool set, it is designed to help fast and effectively repair damaged spark plug threads and lengthen spark plugs service time, universal size suits for repairing spark plug threads 14mm * 1.25mm.

Quality Material: This spark plug thread repair tool set are made of high quality steel material, that has high hardness and strength, strong force bearing capacity that is hard to deform or break, durable and reliable to serve a long life.

For use on 3-valve 5.4L and 6.8L engines built before 10/9/07 and 3-valve 4.6L engines built before 11/30/07 found in many 2004–2008 Ford, Lincoln and Mercury

The spark plug tends to break off in the cylinder head during maintenance. If this problem is not repaired properly, it can result in damaged or unusable spark plug threads and in extreme cases the possibility of a spark plug blow out.

Repairs damaged threads or blowouts in 30 minutes or less per cylinder

Wide range of professional automotive specialy tools

Professional grade

Heavy duty design

Choice: The thread repair tool kit is a tool for spark plug repair. This tool does not require any difficult operation and is suitable for everyone. For the convenience of use, you can add some thread locking agent, (Rethread Aluminum Heads Only).

Advantages: Chrome vanadium steel (CR-V) 14mm 12-point threaded reamer with a total length of 2.5 inches and four 3/8-inch, 7/16-inch, 1/2-inch and 3/4-inch carbon steel blades. Compared with similar products, we have optimized the quality. Will not be easily damaged.

Operation: Repair and repair the chrome vanadium steel (CR-V) M14 x 1.25 internal thread size on the sleeve by cutting the thread, and repair the plug in the aluminum head. The socket includes a metal retainer for fixing the plug inside during installation and removal.

The Ford Spark Plug Repair Kit is designed to air in repairing Ford Modular Cylinder heads; Kit includes (6) alloy steel inserts

This is a high quality foolproof way to repair the damaged spark plug threads in a fast and permanent manner; No need to remove the heads to get at the threads in need of repair

For 14mm x 1.25mm Spark Plug Threads :This repair tool kit is suitable for repairing spark plug threads 14mm x 1.25mm.

16 Pcs:This kit has 16pcs highly useful and top quality plug thread repair tools, it is a nice tool kit for repair damaged spark plug threads and lengthen spark plugs service time.

Hardened Steel:These tools are made of hardened steel, these accessories are of strong strength and long durability.

Main Function : The spark plug repair tools can be used to quickly and efficiently repair damaged spark plug threads.

Wide Range Application : Our spark plug thread kit is suitable for all kinds of products that require high thread strength.

Fully Equipped : This spark plug tap thread is mainly used for clean and rethread spark plug port, which is a complete kit for meeting different needs. 5 x 11mm tap inserts black finish. 5 x 18mm tap inserts black finish. 5 x 18mm tap inserts yellow finish.

Especially suitable for the repair of deep-seated plug configurations.

Stepped tap ensures correct alignment of cutter in existing spark plug hole.

AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR

M14x1.25 Repair stripped out spark plug threads without removing the head

This is Short Time-Sert tooling with 5 spark plug Inserts 9.4mm & 16.8mm

Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit