Best Spark Plug Thread Repair Kits. Reviews January, 2021

CalVan Tools 38900 Two Valve Ford Triton Tool Kit - Foolproof Repair System, Spark Plug Thread Repair Kit. Tools and Equipment

Search only Cal-Van Tools brand name
CalVan Tools 38900 Two Valve Ford Triton Tool Kit - Foolproof Repair System, Spark Plug Thread Repair Kit. Tools and Equipment

Current price: 229.91 USD


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Height: 6 Inches

Length: 12 Inches

Width: 6 Inches

Weight: 2.13 Pounds

Warranty: Manufacturer

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast

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TIME-SERT M14x1.25 Domestic Spark Plug Thread Repair kit p/n 4412E-187

Search only TIME-SERT brand name
TIME-SERT M14x1.25 Domestic Spark Plug Thread Repair kit p/n 4412E-187

Current price: 261.08 USD


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Height: 1.5 Inches

Length: 9.5 Inches

Width: 5 Inches

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!

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26pc Spark Plug Thread Repair Kit M14 x 1.25 with Metal Case

Search only I_S IMPORT brand name
26pc Spark Plug Thread Repair Kit M14 x 1.25 with Metal Case

Current price: 70 USD


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  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations

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CTA Tools 98141 Pro-Thread 14mm Spark Plug Repair Kit, Tapered Seat

Search only CTA Tools brand name
CTA Tools 98141 Pro-Thread 14mm Spark Plug Repair Kit, Tapered Seat

Current price: 28.17 USD

Saving: $7.78 (22%)


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Height: 1 Inches

Length: 8.13 Inches

Width: 2.72 Inches

Weight: 0.7 Pounds

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports

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TIME-SERT M12x1.25 Spark Plug Thread Repair kit with Inserts p/n 4212-125

Search only TIME-SERT brand name
TIME-SERT M12x1.25 Spark Plug Thread Repair kit with Inserts p/n 4212-125

Current price: 155.87 USD


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  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT

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OEMTOOLS 25643 Fix-A-Thread Spark Plug Thread Repair Kit, Metric | Repair Stripped Threads in Spark Plug Holes by Hand with This Easy to Use Tool | Money and Time Saving Car Repair Tool

Search only OEM TOOLS brand name
OEMTOOLS 25643 Fix-A-Thread Spark Plug Thread Repair Kit, Metric | Repair Stripped Threads in Spark Plug Holes by Hand with This Easy to Use Tool | Money and Time Saving Car Repair Tool

Current price: 29.89 USD


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Height: 0.6 Inches

Length: 7.9 Inches

Width: 2.6 Inches

Warranty: OEMTOOLS Limited Lifetime

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT
  • Kit Includes 3 Thread Inserts and Thread Tap
  • High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section
  • Specified for Military, Aviation and Other High Demand Usage
  • Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium
  • Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs

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AB Tools-US Pro Spark Plug Rethreading Tap Thread Repair Set Kit M12 x 1.25 with 4 Inserts

Search only AB Tools-US Pro brand name
AB Tools-US Pro Spark Plug Rethreading Tap Thread Repair Set Kit M12 x 1.25 with 4 Inserts

Current price: 18.13 USD


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Height: 0.787401574 Inches

Length: 6.299212592 Inches

Width: 3.543307083 Inches

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT
  • Kit Includes 3 Thread Inserts and Thread Tap
  • High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section
  • Specified for Military, Aviation and Other High Demand Usage
  • Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium
  • Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs
  • M12 x 1.25mm Thread size
  • HSS 4241 Steel for strength and durability
  • 4 threaded inserts in different lengths
  • Suitable for damaged spark plug threads
  • Spark plug threads repair kit

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Dorman 42025 Spark Plug Thread Repair Kit for Select Ford / Lincoln Models

Search only Dorman brand name
Dorman 42025 Spark Plug Thread Repair Kit for Select Ford / Lincoln Models

Current price: 37.36 USD

Saving: $35.63 (49%)


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Height: 0.9 Inches

Length: 1.1 Inches

Width: 0.7 Inches

Weight: 0.3 Pounds

Warranty: Limited Lifetime Warranty

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT
  • Kit Includes 3 Thread Inserts and Thread Tap
  • High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section
  • Specified for Military, Aviation and Other High Demand Usage
  • Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium
  • Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs
  • M12 x 1.25mm Thread size
  • HSS 4241 Steel for strength and durability
  • 4 threaded inserts in different lengths
  • Suitable for damaged spark plug threads
  • Spark plug threads repair kit
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Vehicle try-on testing conducted on this part ensures trouble-free performance
  • Easy to install
  • Kit includes all components necessary for a complete installation
  • Constructed from high-quality materials for long-lasting durability

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Lisle 65030 Thread Insert for Spark Plug Hole Repair Kit, 11/16", Pack of 5

Search only Lisle brand name
Lisle 65030 Thread Insert for Spark Plug Hole Repair Kit, 11/16

Current price: 12.24 USD


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Height: 1 Inches

Length: 4 Inches

Width: 3 Inches

Weight: 0.05 Pounds

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT
  • Kit Includes 3 Thread Inserts and Thread Tap
  • High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section
  • Specified for Military, Aviation and Other High Demand Usage
  • Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium
  • Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs
  • M12 x 1.25mm Thread size
  • HSS 4241 Steel for strength and durability
  • 4 threaded inserts in different lengths
  • Suitable for damaged spark plug threads
  • Spark plug threads repair kit
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Vehicle try-on testing conducted on this part ensures trouble-free performance
  • Easy to install
  • Kit includes all components necessary for a complete installation
  • Constructed from high-quality materials for long-lasting durability
  • Replacement part for Lisle tool- 65000
  • For more information check the main Lisle tool- 65000
  • Installs a new spark plug thread insert in original thread location
  • Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs

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ATD Tools 5410 Spark Plug Thread Repair Kit for Ford Triton

Search only ATD Tools brand name
ATD Tools 5410 Spark Plug Thread Repair Kit for Ford Triton

Current price: 186.99 USD


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Height: 2 Inches

Length: 10 Inches

Width: 5 Inches

  • Includes six inserts; saves both time and money
  • Patented insert is oversized, heavy duty and can be used to replace previously installed inserts that have failed
  • Used to repair damaged heads from blown spark plugs, with an alloy steel insert
  • Quality, foolproof repair system that is fast, cost effective and simple to use
  • Ford spark plug insert installer designed to aide in repairing ford modular cylinder heads
  • nsert size: m14-1.25, Patented
  • For use on years 1996 to 2003, Part No. 389-100 Replacement Inserts
  • 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
  • High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer
  • Designed to aide in repairing Two Valve Ford Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast
  • FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S
  • Fast and reliable repair by Time-Sert M14x1.25 spark plug repair kit
  • 2 inserts each included of the 24mm, 15.7mm & 10mm reach inserts.
  • Repair kit includes all the tools and inserts for professional quality repair.
  • Taper Seat Spark plug repair compatible with General Motors, GMC, Chrysler, & others MADE IN USA!
  • AUTO, TRUCK, LAWNMOWER, CHAINSAW, GAS ENGINE GENERATOR
  • Extension tools allow easy access to the bottom of the plug recess.
  • Stepped tap ensures correct alignment of cutter in existing spark plug hole
  • Incorporates taper and plug taps together with integrated ream.
  • Especially suitable for the repair of deep-seated plug configurations
  • Insert Sizes:1/4-Inch, 3/8-Inch and 5/8-Inch
  • Heavy-Duty Construction Ensures Durability
  • Kit Includes a Tap, Installation Tool and 3 Inserts
  • For Use on Aluminum and Cast Iron Heads
  • Allows You to Repair Tapered Seat and Gasketed Spark Plug Ports
  • p/n 4212-125
  • Fast and reliable repair by Time-Sert M12x1.25 spark plug repair kit
  • Spark plug thread repair kits by Time-Sert professional thread repair
  • Includes 2) inserts 9mm 2) inserts 15mm 2) inserts 17.5mm reach
  • M12x1.25 spark plug thread repair kit with 6 inserts by TIME-SERT
  • Kit Includes 3 Thread Inserts and Thread Tap
  • High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section
  • Specified for Military, Aviation and Other High Demand Usage
  • Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium
  • Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs
  • M12 x 1.25mm Thread size
  • HSS 4241 Steel for strength and durability
  • 4 threaded inserts in different lengths
  • Suitable for damaged spark plug threads
  • Spark plug threads repair kit
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Vehicle try-on testing conducted on this part ensures trouble-free performance
  • Easy to install
  • Kit includes all components necessary for a complete installation
  • Constructed from high-quality materials for long-lasting durability
  • Replacement part for Lisle tool- 65000
  • For more information check the main Lisle tool- 65000
  • Installs a new spark plug thread insert in original thread location
  • Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs
  • Insert dimensions: M16x1.5 I.D. x 3/4"x16 O.D.
  • Repairs damaged threads or blowouts in 30 minutes or less per cylinder
  • 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.
  • 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

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