DTNZ 16pc M14 × 1.25 Spark Plug Thread Repair Kit (M16 Tap) – With Case

The DTNZ 16-Piece Spark Plug Thread Repair Kit is a professional solution for repairing stripped or damaged spark plug threads in aluminium and cast iron cylinder heads.

Designed for M14 × 1.25 spark plug threads, this kit allows damaged threads to be accurately re-tapped and repaired using thread inserts, restoring the spark plug seat to original condition without removing the cylinder head.

Ideal for workshops, mechanics, and serious DIY users, this kit helps avoid costly head replacement or engine removal.

Key Features

• Repairs M14 × 1.25 spark plug threads

• Suitable for aluminium & cast iron cylinder heads

• Includes M16 tap for thread insert installation

• Restores damaged threads to original size

• Prevents spark plug blow-out and misfires

• Workshop-grade hardened steel tools

• Supplied in a durable storage case

What’s Included (16pcs)

• M16 × 1.25 Tap

• Spark plug thread repair inserts (M14 × 1.25)

• Insert installation tools

• Thread repair accessories

• Blow-moulded plastic carry case

(Complete kit for professional spark plug thread repair)

Specifications

• Thread Size: M14 × 1.25

• Tap Size: M16

• Application: Spark plug thread repair

• Material: Hardened steel

• Use: Petrol engines

• Storage: Plastic carry case

Applications

• Repairing stripped spark plug threads

• Engine maintenance & repair

• Workshop & automotive use

• Preventing costly cylinder head replacement