---
product_id: 180850130
title: "10mm Jam Nut Valve Adjusting Tool"
brand: "powerbuilt"
price: "£33.89"
currency: GBP
in_stock: true
reviews_count: 9
category: "Powerbuilt"
url: https://www.desertcart.co.uk/products/180850130-10mm-jam-nut-valve-adjusting-tool
store_origin: GB
region: United Kingdom
---

# 7.5" leverage handle 10mm jam nut fit cutaway for blade visibility 10mm Jam Nut Valve Adjusting Tool

**Brand:** powerbuilt
**Price:** £33.89
**Availability:** ✅ In Stock

## Summary

> 🔧 Master your valve adjustments like a pro — don’t get left behind!

## Quick Answers

- **What is this?** 10mm Jam Nut Valve Adjusting Tool by powerbuilt
- **How much does it cost?** £33.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/180850130-10mm-jam-nut-valve-adjusting-tool)

## 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

- • **Clear View Engagement:** Built-in cutaway lets you see screwdriver blade position for flawless alignment.
- • **User-Friendly Package:** Includes detailed instructions and photos to ensure confident, professional adjustments.
- • **Ergonomic Leverage Handle:** 7.5-inch side handle delivers superior torque with less effort.
- • **Durable Metal Construction:** Crafted from high-quality metal for long-lasting reliability under tough conditions.
- • **Precision Fit for Japanese Engines:** Specifically engineered for Honda, Toyota, Nissan valve adjustments.

## Overview

The Powerbuilt 10mm Jam Nut Valve Adjustment Tool is a precision-engineered metal wrench designed for easy and accurate valve clearance adjustments on Honda, Toyota, Nissan, and other Japanese engines. Featuring a unique cutaway for clear screwdriver blade visibility and a 7.5-inch ergonomic handle for enhanced leverage, this tool simplifies tight jam nut loosening while preventing screw head damage. Backed by a limited lifetime warranty and detailed usage instructions, it’s a must-have for professional-grade engine maintenance.

## Description

Buy Powerbuilt 10 Millimeter Jam Nut Valve Adjustment Tool, Slotted Valve Adjusting Stud, Honda, Nissan, Toyota, Japanese Vehicle Engines - 648827: Valve Train Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Easy Honda Accord valve adjustment - Great product and good quality for the price. I had a leaking valve cover gasket on our '14 Accord and thought I would check the valve clearance while I had the valve cover off. I purchased this tool ahead of time and I'm glad that I did. The valves did need to be adjusted and there are 16 valves to do. Some valves took several adjustments to get in spec and I went though the procedure twice to double check them all. The job can be done with a screwdriver and a 10mm wrench, but this worked so well and easy. I didn't have to worry about stripping the screw head or the locking nut and I was able to get good torque on the nuts. Recommended if you have a valve adjustment to do.
Review: The right tool for the job. - The right tool for the job. Worked great.

## Features

- For adjusting valve clearance on Honda, VTEC, Toyota, Nisan and other Japanese vehicle engines
- Fits valves with 10mm jam nut and slotted valve adjusting stud
- Built-in cutaway allows viewing of screwdriver blade position for easier engagement with valve stud
- 7-1/2" side handle provides leverage for loosening tight jam nuts
- Package includes usage instructions and photos

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B073WH1DBZ |
| Best Sellers Rank | #71,351 in Automotive ( See Top 100 in Automotive ) #41 in Engine Valve Train Tools |
| Brand | Powerbuilt |
| Brand Name | Powerbuilt |
| Color | Red |
| Customer Reviews | 4.7 out of 5 stars 1,489 Reviews |
| Head Style | Special Purpose |
| Included Components | Tool |
| Item Length | 2 Inches |
| Item Package Quantity | 1 |
| Item Type Name | Jam Nut Tool |
| Jaw Capacity | 10 Millimeters |
| Manufacturer | Alltrade Tools LLC |
| Manufacturer Part Number | 648827 |
| Manufacturer Warranty Description | Limited Lifetime |
| Material | Metal |
| Material Type | Metal |
| Measurement Standard | Metric |
| Model Number | 648827 |
| Package Quantity | 1 |
| UPC | 028907178943 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Powerbuilt
- **Color:** Red
- **Item Length:** 2 Inches
- **Item Package Quantity:** 1
- **Material:** Metal

## Images

![10mm Jam Nut Valve Adjusting Tool - Image 1](https://m.media-amazon.com/images/I/51ejJuaOLZL.jpg)

## Available Options

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

## Questions & Answers

**Q: Which one of these is fits the Honda J series? 10 or 12mm?**
A: Thank you for your interest in the Powerbuilt 10 Millimeter Jam Nut Valve Adjustment Tool.

For the Honda J series engines, you would typically use the 10mm version of this tool for valve adjustments. However, it's always a good idea to verify the specific requirements for your engine model before making a purchase.

If you have any doubts or need further clarification regarding which size to choose for your Honda J series engine, please feel free to reach out to our team at Vinyasa Automotive. We're here to provide you with accurate information and assistance to ensure you select the right tool for your needs. Our goal is to offer the best possible service and support to meet your automotive requirements.

**Q: Will this work on a 2016 honda cr-v 2.4l?**
A: I used it for my Honda CR-V 2.4 for Valve Lash Adjustment

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy Honda Accord valve adjustment
*by C***O on July 15, 2023*

Great product and good quality for the price. I had a leaking valve cover gasket on our '14 Accord and thought I would check the valve clearance while I had the valve cover off. I purchased this tool ahead of time and I'm glad that I did. The valves did need to be adjusted and there are 16 valves to do. Some valves took several adjustments to get in spec and I went though the procedure twice to double check them all. The job can be done with a screwdriver and a 10mm wrench, but this worked so well and easy. I didn't have to worry about stripping the screw head or the locking nut and I was able to get good torque on the nuts. Recommended if you have a valve adjustment to do.

### ⭐⭐⭐⭐⭐ The right tool for the job.
*by R***P on August 20, 2025*

The right tool for the job. Worked great.

### ⭐⭐⭐⭐⭐ Necessary tool for valve adjustment!
*by J***N on October 8, 2023*

I would recommend this tool when doing a valve adjustment. Instead of using 2 tools, it's built into one for easy adjustments on the fly. I did my first valve adjustment and this tool was a life saver. I think the process would have taken a lot longer without it. The tool looks sturdy and it would likely last a long time. Two thumbs up for me.

## Frequently Bought Together

- Powerbuilt 10 Millimeter Jam Nut Valve Adjustment Tool, Slotted Valve Adjusting Stud, Honda, Nissan, Toyota, Japanese Vehicle Engines - 648827
- Stainless Steel Feeler Gauge Dual Marked Metric and Imperial Gap Measuring Tool (0.04-0.63 mm, 26 Blades)
- Genuine Honda 08718-0004 Hondabond HT Hi-Temp Silicone Liquid Gasket OEM

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-13*