---
product_id: 562691072
title: "Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2)"
brand: "autoacc"
price: "¥15667"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/562691072-torsion-bar-key-adjustment-block-nuts-with-bolts-for-2011
store_origin: JP
region: Japan
---

# Grade 12.9 strength Full threaded design Easy installation Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2)

**Brand:** autoacc
**Price:** ¥15667
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2) by autoacc
- **How much does it cost?** ¥15667 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/562691072-torsion-bar-key-adjustment-block-nuts-with-bolts-for-2011)

## Best For

- autoacc enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Strength:** Experience the power of Grade 12.9 bolts, stronger than OEM!
- • **Precision Engineering:** Full threaded design for maximum adjustability.
- • **Rust-Resistant Finish:** Black anti-rust coating ensures durability in any environment.
- • **Direct Fit Replacement:** Seamless installation for your Silverado or Sierra.
- • **Heavy Duty Performance:** Built to withstand the toughest conditions on the road.

## Overview

The Autoacc Torsion Bar Key Adjustment Block Nuts with Bolts are designed specifically for 2011-2021 Chevy Silverado and Sierra models. This set includes two high-strength, full-threaded bolts and nuts, featuring a black anti-rust coating for enhanced durability. With a tensile strength of Grade 12.9, these components offer superior performance and easy installation, making them the perfect choice for heavy-duty applications.

## Description

Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2)

## Features

- 1 pair of chevy torsion bar key adjusters for silverado sierra 2500hd 3500hd, comes with 2 torsion bar block nuts and 2 torsion key adjusting bolts
- Forged torsion bar key adjuster nuts and bolts with black anti-rust coating, the high tensile grade 12.9 torsion bar key adjuster bolts are a grade stronger than the OEM bolts, M14 and 2.85" in length, Full threaded offers a wider range of adjustment
- HD torsion bar adjustable locks and bolts fit 2011-2021 Silverado 2500 3500 2500HD 3500HD, replace part no. 11571153
- Heavy Duty torsion bar key keeper fit 2011-2021 Sierra 2500 3500 2500HD 3500HD
- Easy installation, direct replacement and a 2 grade stronger, full threaded offers a wider ranger of adjustment

## Images

![Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2) - Image 1](https://m.media-amazon.com/images/I/61Nb3RWtn1L.jpg)
![Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2) - Image 2](https://m.media-amazon.com/images/I/619DIY32F+L.jpg)
![Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverado 2500 3500 2500HD 3500HD, 2011-2022 Sierra 2500 3500 2500HD 3500HD (Full Thread, Set of 2) - Image 3](https://m.media-amazon.com/images/I/61-z4Hv1Y9L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/562691072-torsion-bar-key-adjustment-block-nuts-with-bolts-for-2011](https://www.desertcart.jp/products/562691072-torsion-bar-key-adjustment-block-nuts-with-bolts-for-2011)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*