Contents
The Best Spark Plug Repair Kit of 2023 – Reviewed and Top Rated
2,556 Reviews Scanned
- Compatible with Ford Years 1996 to 2003: Please make sure the car model matches our products before purchasing. Designed to aide in repairing Two Valve Modular Cylinders Heads. A quality, foolproof repair system that is cost effective and fast. Our spark plug thread repair kit tapped M14-1.25 Inserts compatible with ford years 1996-2003, Part No. 389-100 Replacement Inserts. The kit is used on 4.6L, 5.4L and 6.8 V-10 Two Valve Engines.
- Package Including: Our spark plug repair kit including the M14-1.25 Inserts*8, Twist Drill, Screw Tap, Line up Guide, Cylinder Leak Tester, what's special is that we have two snap iron pieces. We offer two instructions, one is fixed in the packaging box and will not be lost, the other can be taken out for review, very flexible.
- Designed to Meet Your Specific Needs: Our spark plug cylinder repair kit featured complete and excellent quality. The drills, taps and line up guide are made of high quality thickened steel, individual pieces are highly tempered, with strong strength, sharpness and maximum durability. 8*M14-1.25 inserts has high hardness and the surface is also treated with black oxidation to prevent corrosion and rust, more robust than ordinary helicoils.
- Professional Thread Repair Kit: This 38900 thread repair tool addressed a regularly occurs damaged heads from blown spark plugs, replacing inserts. This cylinder repair tools is complete, specialty design, precise and perfectly adapted. The helicoil kit of choice for tool enthusiasts and industry professionals alike. PS: The rotary head of screw tap, twist drill usually needs to be coated with anti-rust oil for maintenance, if it is not used for a long time, anti-rust oil should be applied before storage to prevent rust during long-term storage.
- Customer Service: Please contact us if you have any problem. We have a professional customer service to solve the problem for you at first time.
- This are woodworking project kit.Fit Type: Universal
- This are highly durable
- Made in China
- Package Dimensions : 6.5 L x 4.38 W x 0.75 H (inches)
- 【Premium Material】: The spark plug thread repair kit is made from high-quality stainless steel. Its high hardness and strength make it resistant to deformation and breakage and ensure great stable performance for easy drilling and repairing. Its exceptional durability ensures it can be used for a long time.
- 【Practical Function】: This practical and efficient tool kit is designed to help you quickly and effectively repair broken spark plug threads and prolong the product's service time. This repair kit offers a convenient solution, minimizing the need to visit an auto repair shop and saving time and money.
- 【Precise Dimensions】: Each kit contains 10 M14 × 1.25 thread inserts and 1 M16 × 1.25 thread tap, making it a professional thread repair kit. The tap shank diameter is approximately 0.39 inches, the full tap length is 3.74 inches, the tap blade length is 0.98 inches, and the thread insert length is 0.69 inches.
- 【Easy to Use】: First, drill out the broken thread. Second, clean the hole with a cleaning cloth. Then, slightly run the tap into the hole from the bottom tapered cutting edge to the correct depth. Next, clean the thread and check the insert's size. Finally, screw in the thread repair insert using the insertion tool.
- 【Wide Application】: Our spark plug thread repair kit is suitable for a wide range of applications, it is compatible with gasoline engines, generators, engines, and other machines. The product is an ideal thread repair solution, allowing you to easily and effectively restore broken spark plug threads.
- 38900 Two Valve Tool Kit for Ford Triton. Direct replacement for Ford 4.6L,5.4L and 6.8L two valve SOHC engines(NOT for 3V engines or DOHC).
- High quality spark plug repair kit for Ford: 304 stainless steel 389-100 replacement inserts + Brass valve + Aluminium alloy line up guide for high hardness + highly tempered speed steel screw tap and twist drill + Rubber pressure tube, durable and rust-resistant foolproof repair system.
- Fixed the blown engine spark plug issue: The 38900 thread repair tool is designed for repairing two valve modular cylinder heads for Ford from blown spark plugs. After blowing all the shavings in the cylinder, reaming&removing the old threads and rethreading a larger diameter with alloy steel inserts, making your car back on the road properly!
- The spark plug repair kit for Ford SOHC 2V engine: 4.6L 1998-2014 E150 E250/1992-2011 Crown Victoria + 4.6L 1991-2011 Lincoln Town Car + 4.6L 1992-2011 Mercury Grand Marquis + 5.4L 1996-2016 E150/E-Series + 6.8L 1997-2004 F250-550, F53/Motorhome. More model details pls see below description.
- Easy to use: The 38900 two valve spark plug tool kit for Ford makes the repair job very easy.-Cheaper and easier than replacing the whole engine/buying new cylinder heads. But pls follow the included instructions and watch some YouTube videos before installing.
- INSERTS AND TAP: Including 10pcs M14 x 1.25 thread inserts and a M16 x 1.25 thread tap, is professional spark plug thread repair tool kit.
- STAINLESS STEEL INSERT: These thread inserts are made of stainless steel, with galvanized technology, wear and resistant.
- HIGH SPEED STEEL TAP: The thread tap is made of high speed steel material, which has high hardness and heat resistance.
- STANDARD THREAD: These inserts and tap have standard thread, the general size is suitable for repairing 14mmx1.25mm spark plug.
- APPLICABLE MACHINE: Tapping is efficient and labor saving, very suitable for gasoline engines, generators, engines, etc.
Last update on 2025-07-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What spark plugs HELPP?
A: Your spark plugs help your car regulate itself , and increased mileage can be a symptom. Slower Acceleration Your spark plugs send additional ignition sparks to your engine when your car is accelerating, and if your car is malfunctioning, your car’s acceleration can be adversely impacted.
Q: What size tap for spark plug holes?
A: Re: tap size. It is a special tap just for spark plug holes, any auto parts store will have one, it is double sided to fit both 5/8″ and 13/16″ plug size.
Q: What is the thread size for a spark plug?
A: There are currently three spark plug thread diameter and pitch sizes used on motorcycles and ATVs: 10 mm x 1.0, 12 mm x 1.25 and 14 mm x 1.25. There are currently two thread reaches (lengths) used: 1/2 inch and 3/4 inch. Never use a spark plug of the wrong reach.
Q: What is the spark plug part?
A: A spark plug comprises three main parts: the housing, insulator, and electrodes. Insulates the terminal, center shaft and center electrode from the housing, preventing escape of high voltage from the electrodes.
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