16-Piece Spark Plug Thread Repair Kit 14mm M14 x 1.25 Flange Inserts and M16 Tap for Damaged Internal Threads on Cylinder Heads and Engine Blocks - 11.2mm and 17.5mm Lengths
16-Piece Spark Plug Thread Repair Kit 14mm M14 x 1.25 Flange Inserts and M16 Tap for Damaged Internal Threads on Cylinder Heads and Engine Blocks - 11.2mm and 17.5mm Lengths
16-Piece Spark Plug Thread Repair Kit with M14 Flanges and M16 Tap for Engine Thread Restoration
Damaged spark plug threads in cylinder heads and engine blocks can lead to compression loss, misfiring and costly replacement. This 16-piece spark plug repair kit provides a practical, workshop-ready solution by including fifteen M14 x 1.25 flanges in two lengths and one M16 x 1.25 tap. Whether you are a professional mechanic or a home garage user, this set allows you to restore internal threads without replacing the entire head. The components are clearly specified for M14 spark plug holes, and the kit is supplied in a blue packaging box with a net weight of 360g.
Features and Construction
This repair kit is built around a set of fifteen M14 x 1.25 flanges and one M16 x 1.25 tap. Each flange is precisely dimensioned to match common thread repair requirements. The tap prepares the hole to accept the flanges, creating a durable repair that restores original thread size.
Material and Build
The flanges are made from steel with a M14 x 1.25 thread pitch, matching standard spark plug hole dimensions. The tap is also steel with a M16 x 1.25 thread pitch, designed to cut the receiving thread cleanly. All parts are supplied in a blue packaging box for organised storage.
Size and Practical Fit
The set includes five flanges of 11.2mm length and ten flanges of 17.5mm length. The 11.2mm flanges suit shallow thread damage near the surface, while the longer 17.5mm flanges are better for deeper threads where more support is needed. The single M16 x 1.25 tap works with both flange lengths.
Uses and Placement
This thread repair kit is designed for repairing damaged internal threads in spark plug holes on a wide range of engines. It is suitable for use on cars, motorcycles, lawnmowers and other small engines where spark plug threads have been stripped or cross-threaded.
Event or Professional Use
For garage mechanics and auto repair workshops, this kit offers a quick method to fix spark plug thread damage without removing the cylinder head. The fifteen flanges provide enough material for several repairs, making it a cost-effective addition to a professional toolkit.
Everyday Home Use
Home mechanics tackling engine repairs on older vehicles or equipment will find this kit useful. A stripped spark plug thread can be restored in under an hour with basic tools, saving the expense of a replacement head or professional machining.
Benefits and Buying Value
The main benefit of this kit is the ability to repair damaged threads using specified components at a low cost. With fifteen flanges included, you have spares for multiple repairs or mistakes during installation.
Reuse and Low Maintenance
Once installed, the flanges become a permanent part of the thread. They do not require special maintenance beyond normal spark plug changes. The steel material withstands typical engine operating conditions.
Why Choose This Product
This set covers M14 spark plug hole repairs with two common flange depths, giving flexibility for different damage locations. The inclusion of the tap ensures you have everything needed to complete the repair in one purchase.
