---
product_id: 4077117
title: "14mm Spart Plug Thread Repair Set, 14mm Cylinder Head Rethreaded Kit, Rethreads Damaged 14 Millimeter Spark Plug Holes, 4 Inserts: Two 7/16\", one 5/8\" and one 13/16\", M14 x 1.25-648421"
brand: "powerbuilt"
price: "Bs.330"
currency: BOB
in_stock: true
url: https://www.desertcart.bo/products/4077117-14mm-spart-plug-thread-repair-set-14mm-cylinder-head-rethreaded
store_origin: BO
region: Bolivia
---

# Precision 14mm UNF thread repair Durable aluminum construction 4 versatile inserts for varied depths 14mm Spart Plug Thread Repair Set, 14mm Cylinder Head Rethreaded Kit, Rethreads Damaged 14 Millimeter Spark Plug Holes, 4 Inserts: Two 7/16", one 5/8" and one 13/16", M14 x 1.25-648421

**Brand:** powerbuilt
**Price:** Bs.330
**Availability:** ✅ In Stock

## Summary

> 🔧 Fix it right, fix it tight — don’t let damaged threads slow you down!

## Quick Answers

- **What is this?** 14mm Spart Plug Thread Repair Set, 14mm Cylinder Head Rethreaded Kit, Rethreads Damaged 14 Millimeter Spark Plug Holes, 4 Inserts: Two 7/16", one 5/8" and one 13/16", M14 x 1.25-648421 by powerbuilt
- **How much does it cost?** Bs.330 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/4077117-14mm-spart-plug-thread-repair-set-14mm-cylinder-head-rethreaded)

## Best For

- powerbuilt enthusiasts

## Why This Product

- Trusted powerbuilt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightweight & Durable:** Aluminum build offers strength without the bulk—carry it anywhere with ease.
- • **Precision Tap Included:** High-quality tap ensures clean, accurate thread cutting every time.
- • **Complete Kit with 4 Inserts:** Includes two 7/16", one 5/8", and one 13/16" inserts to cover multiple repair depths.
- • **Extend Engine Life & Performance:** Avoid costly head replacements by restoring spark plug threads quickly and reliably.
- • **Restore Spark Plug Threads Like a Pro:** Effortlessly rethread damaged 14mm spark plug holes in aluminum heads for a flawless fit.

## Overview

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.

## Description

Full description not available

## Features

- Rethreads damaged 14 millimeter spark plug holes in aluminum heads
- Includes tap and 4 inserts: two 7/16", one 5/8" and one 13/16"
- Rethreads damaged 14 millimeter spark plug holes in aluminum heads
- Includes tap and 4 inserts
- Inserts reach: two 7/16 inch, one 5/8 inch and one 13/16 inch

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Material:** Aluminum
- **Head Style:** Socket
- **Item dimensions L x W x H:** 1 x 2.88 x 5.75 inches
- **Exterior Finish:** Aluminum
- **Thread Size:** 14mm

## Images

![14mm Spart Plug Thread Repair Set, 14mm Cylinder Head Rethreaded Kit, Rethreads Damaged 14 Millimeter Spark Plug Holes, 4 Inserts: Two 7/16", one 5/8" and one 13/16", M14 x 1.25-648421 - Image 1](https://m.media-amazon.com/images/I/71vkBKF3AgL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.bo/products/4077117-14mm-spart-plug-thread-repair-set-14mm-cylinder-head-rethreaded](https://www.desertcart.bo/products/4077117-14mm-spart-plug-thread-repair-set-14mm-cylinder-head-rethreaded)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-22*