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14mm x 1.25mm Spark Plug Helicoil Thread Repair Kit

14mm x 1.25mm Spark Plug Helicoil Thread Repair Kit
14mm x 1.25mm Spark Plug Helicoil Thread Repair Kit 14mm x 1.25mm Spark Plug Helicoil Thread Repair Kit
Part No.
355 1691
In stock
Dispatched today if ordered before 4pm
Dispatched next working day

£23.05 £19.21

Description

Overview:
The 14mm x 1.25mm Spark Plug Helicoil Thread Repair Kit is a Genuine Part designed to restore damaged spark plug threads to a dependable, serviceable condition. It is intended for M14 x 1.25 spark plug applications commonly found on small petrol engines used in construction and garden machinery. The set includes a 14.2mm high-speed steel (HSS) drill bit for accurate drilling, a matching tap to cut the insert thread, a coil driver for fitting the inserts, a tang remover, and approximately 10 steel wire inserts for multiple repairs. The tools are housed in a durable plastic case for protection and portability. This kit helps recover worn or stripped threads in aluminium cylinder heads, extending equipment life and maintaining reliable ignition system performance.

Key Features:
- Genuine Part for consistent quality and fit
- Suits M14 x 1.25 spark plug threads used on many small petrol engines
- 14.2mm HSS drill bit provides clean, precise drilling before tapping
- Matching tap cuts the correct thread form for wire inserts
- Coil driver installs inserts to the proper depth for a secure repair
- Tang remover ensures a clear passage for the spark plug after insertion
- Includes approximately 10 inserts to cover several repairs or keep spares to hand
- Durable plastic case keeps components organised on site or in the workshop
- Practical solution for aluminium cylinder heads commonly used in outdoor power equipment
- Helps prevent costly head replacement by restoring the original thread size

Typical Applications:
Used to repair stripped or cross-threaded M14 x 1.25 spark plug holes in small petrol engines on lawn mowers, brushcutters, generators, water pumps, pressure washers, cut-off saws, compactors, and similar machinery. Suitable for routine maintenance, refurbishments, and extending the service life of older equipment where thread damage has occurred.

Also known as:
M14 x 1.25 plug hole repair set, thread saver kit (M14), plug port restoration kit, wire insert repair set for plugs, M14 x 1.25 insert fitting kit, plug housing repair pack, M14 thread restoration kit, spark plug seat repair set.

Product Specifications

More Information
L&S Part No. 355 1691
Part Type Genuine Part
Unit of Sale 1

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