Top 20 Best Selling Spark Plug Thread Repair Kits (2019)




The back-tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber. A mandrel is then drawn back, expanding the tool's threaded area and threading into the clean threads at the bottom of the spark plu ... more info

CTA Tools 3055 VW/Audi Spark Plug Cable Tool for vehicles with steel spark plug boots. This tool engages the ears of the boot shield to remove and install. It is designed to save wires from damage and save time (no need to remove the intake manifold). The ... more info


Sav-A-Thread is the easiest way to permanently repair stripped spark plug hole threads. Virtually all engines built today have aluminum cylinder heads. Combining this with the growing number of do-it-yourselfers and the need for quick, easy, on-the-spot r ... more info


Dorman Products, Inc. is well-known as a leader in providing quality auto parts to the aftermarket. We've earned our reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line prod ... more info



This is a 6 piece set of coarse thread rethreading taps including: 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13 and 9/16-12. These are all very common sizes. In most situations they will clear away rust and dirt or straighten out threads that have been damage ... more info

HEL5544-12 Warranty: -90 day warranty on material and workmanship. ... more info



Helicoil Inch Coarse Thread Repair Kit includes inserts, detailed instructions, Heli-Coil tap and installation tool. It is made from high quality material and is extremely long lasting. This inch coarse thread repair kit is used for repairing tapped holes ... more info

HEL5546-11 Warranty: -90 day warranty on material and workmanship.. ... more info



The Astro Pneumatic 9477H1 H1 Jaw - Spark Plug Connector (AWG17) (DIN1m㎡) is used for the 9477 7pc. Professional Quick Interchangeable Ratchet Crimping Tool Set.. ... more info


This precision tool accurately replaces stripped Ford spark plug threads with new thread inserts. Works on the car without removing the engine head. This set includes a drill, tap, swedge tool, insert tool, 10 steel inserts, plus a vacuum adapter to remov ... more info


TIME-SERT is a sophisticated thread repair system that is considered by many to be superior to any other method of repairing stripped or damaged threads. TIME-SERT is a solid bushing insert. This facilitates easy installation and allows for full torque to ... more info

TIME-SERT is a sophisticated thread repair system that is considered by many to be superior to any other method of repairing stripped or damaged threads. TIME-SERT is a solid bushing insert. This facilitates easy installation and allows for full torque to ... more info




Powerbuilt 14 millimeter spart plug thread repair kit re-threads damaged 14 millimeter spark plug holes in aluminum heads. Set includes tap and 4 inserts with the following reach: 7/16 inch (2), 5/8 inch (1) and 13/16 inch (1). ... more info

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