14mm Spark Plug Thread Hole Repair Tools, Thread Repair Kit with 10pcs M12 x 1.25 Thread Inserts and a M14 x 1.25 Thread Tap for Gasoline Engine on OnBuy
Spark Plug Inserts Set 14mm: AC0004013 | Heritage Parts Centre UK
Spark Plug Thread Repair Tool, M12 x 1.25 Inserts and M14 x 1.25 Tap Spark Plug Rethreading Kit for Gasoline Engines, Generators : Amazon.co.uk: Automotive