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In order to obtain the Best Thread Spark Plug Thread Repair Kits (2021), our intelligent platforms and experts have taken many factors into account such as product usability, features that meet buyers needs and give customer satisfaction, defect-free, conformity of standards, value-for-money, dependability, robustness, quality conformance to user requirements and guidlines, health and safety, actual customer satisfaction and numerous others. It is of great importance to note that each user has different requirements so please use the below shortlist as a guideline and not as a gospel. Nonetheless, in the shortlist below you can undoubtedly find the overall best ones regardless of your requirements.

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Best Thread Spark Plug Thread Repair Kits

SaleBest Choice No. 1
CalVan Tools 38900 Two Valve Ford Triton Tool Kit – Foolproof Repair System, Spark Plug Thread Repair Kit. Tools and Equipment
  • 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
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • nsert size: m14-1.25, Patented
Best Choice No. 2
WINTOOLS 26pc Spark Plug Thread Repair Kit M14 x 1.25 with Metal Case
  • 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
  • Include TAP – M14 X 1.25, STEP-TAP – M14 X1.25 : M15.8 X 1.25, WRENCH – ID – 3/8″, T BAR – 3/8″, INSERT DRIVE – ID – 3/8″, SEAT CUTTER, INSERTS – 10pc L15MM & 10pc L9.4MM, ALLEN KEY – 2.5MM (FOR NO.3 WRENCH), METAL CASE.
SaleBest Choice No. 3
Helicoil 5334-14 Save-A-Thread Thread Repair Kit M14 x 1.25
  • This are woodworking project kit
  • This are highly durable
  • Made in China
  • Package Dimensions : 6.5 L x 4.38 W x 0.75 H (inches)
Best Choice No. 4
TIME-SERT M14x1.25 Spark Plug Thread Repair kit p/n 4412-321
  • 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
  • replenish item B00I9D3T8U # 44111 for 3/4 reach washer seat plugs
  • replenish item B00K244FLO # 44125 for 3/8 reach washer seat plugs
SaleBest Choice No. 5
OEMTOOLS 25647 Spark Plug Saver | 14m x 1.25 Thread Reamer and Thread Inserts | 5 Piece (3 Thread Inserts, 1 Reamer, & 1 Swaging Tool) | Rethreads & Repairs Taper Seat & Gasket Type Assemblies
  • VERSATILE SPARK PLUG THREAD REPAIR KIT: OEMTOOLS Spark Plug Thread Repair Kit can be used to repair both taper seat and gasket seat spark plug assemblies; and with three length inserts and the included 14m x 1. 25 Thread Reamer—this kit can rethread nearly all 14M x 1. 25 spark plug sleeves
  • EASILY SOLVES A FRUSTRATING PROBLEM: The Piloted Reamer Tap means no drilling is necessary, and you’ll achieve perfect alignment with the spark plug assembly you’re chasing or rethreading
  • PERMANENT SPARK PLUG THREAD REPAIR SOLUTION: The positive mechanical locking feature on the thread inserts means the threads will never come out once the spark plug threads have been repaired
  • INSTRUCTIONS INCLUDED: Spark plugs are often overlooked in routine maintenance, which means by the time you get around to spark plug maintenance, the issues are often compounded by years of carbon and gunk and other issues; OEMTOOLS’s Spark Plug Saver Kit includes easy-to-follow instructions that any would-be DIY mechanic can follow
  • INCLUDED IN THE SPARK PLUG SAVER PACKAGE: 14M x 1. 25 Two-Step Piloted Reamer, three thread inserts of different lengths (. 625, . 4375, and . 3125 inches), and a 4 inch long swaging tool – everything you need for common spark plug sleeve rethreading jobs
Best Choice No. 6
ABN Spark Plug Thread Repair Kit, 14mm Reamer Cylinder Thread Repair Tool & Thread Insert – Spark Plug Rethreader Kit
  • 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
  • PERFECT SIZE: 14mm reamer with 12 points; 2.5-inch overall length; Use with 3/8-inch drive ratchet or wrench; Inserts sizes are 3/8-Inch, 7/16-Inch, 1/2-Inch, and 3/4-Inch; Tap is tapered to allow the tip to fit and rethread the hole in order for the coil to fit; Measure your plug diameter, thread, and pitch to see if this kit is compatible
  • PACKAGE CONTENTS: Rethread kit includes a tapping reamer and 4 different depths of inserts for your convenience
Best Choice No. 7
M12 X 1.25 Time-Sert Spark Plug Thread Repair Kit
  • This kit includes: Step Tap,Wrench, Seat Cutter, & Insert Driver
  • Inserts are not included. Inserts are available separately in a variety of lengths.
  • This extremely high quality kit contains all tooling needed to perform the repair!
  • Why replace your cylinder head when AT LAST there is a permanent, reliable repair?
  • Complete Instructions Included! Kit comes in a durable plastic case!
Best Choice No. 8
Autocraft – Spark Plug Thread Repair Kit | Fits M14 X 1.25mm Sizes | Repair Damaged Spark Plug Hole Threads | Rethreader Set with Thread Inserts
  • REPAIR ANY DAMAGED SPARK PLUG HOLES: The thread repair tool kit easily repairs the 14mm spark plug threaded hole port. It can be used for creating stronger internal threads in all metals, composites, polymers, and other materials by repairing damaged or stripped internal threads and regaining the original thread size.
  • WIDE APPLICATION: The kit is widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced furniture, aluminum die-casting and other industries.
  • MATERIAL USED: The kit is made of hardened carbon steel for high strength and long-lasting durability. Our carbon steel spark plug thread repair kit uses strict quality control standards, improved design, advanced production technology, and more durable products.
  • PACKAGE CONTENTS: The Rethread tool kit includes a tapping reamer and 4 different depths of inserts to repair deep-rooted plugs.
  • SATISFACTION GUARANTEED: We at Tool Liquidators solely believe in 100% customer satisfaction. If in any case, you are unhappy with your purchase, then please let us know, we will do anything required to make you a happy customer.
Best Choice No. 9
TIME-SERT M14x1.25 Domestic Spark Plug Thread Repair kit p/n 4412E-187
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • Repair kit includes all the tools and inserts for professional quality repair.
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
Best Choice No. 10
TIME-SERT M10x1.0 Spark Plug Thread Repair kit with Inserts P/n 4010-103
  • M10x1.0 Spark plug thread repair kit with inserts P/n 4010-103
  • TIME-SERT kit includes 3 inserts 15mm reach and 2 inserts 9mm reach
  • Fast and reliable repair by Time-Sert M10x1.0 spark plug repair kit
  • First time repair only. Do not use if previously repaired.

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