

🔧 Fix it right, fix it tight — don’t let damaged threads slow you down!
The Powerbuilt 14mm Spark Plug Thread Repair Set is a professional-grade kit designed to restore damaged spark plug threads in aluminum cylinder heads. Featuring a precision tap and four inserts of varying lengths (two 7/16", one 5/8", and one 13/16"), this lightweight aluminum tool ensures durable, accurate repairs that extend engine life and save costly replacements.




| Material | Aluminum |
| Head Style | Socket |
| Exterior Finish | Aluminum |
| Thread Size | 14mm |
| Point Style | Flat Point |
| Metal Type | Aluminum |
| Brand | Powerbuilt |
| Color | Silver |
| Head Type | Aluminum |
| Item Weight | 3.52 ounces |
| Thread Type | Unf |
| Thread Coverage | 1 inch |
| Fastener Type | Spark Plug |
| Set Screw Thread Type | UNF |
| Thread Style | UNF |
| Thread Class | 14mm-Aluminum |
| Fastener Size | 14mm |
| Size | 14mm Rethreader Kith with 4 Inserts |
| Item Diameter | 14 Millimeters |
| Compatible groove diameter | 14 Millimeters |
| Number of Pieces | 4 |
| UPC | 028907101873 |
| Global Trade Identification Number | 00028907101873 |
| Manufacturer | Alltrade Tools, LLC |
| Model | 14Mm Spark Plug Thread Repair Kit |
| Item model number | 648421 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 648421 |
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