---
product_id: 2515131
title: "GM 8.5\" 10-Bolt Ring & Pinion Gears - 4.56 Ratio"
brand: "qp"
price: "$367.57"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/2515131-gm-8-5-10-bolt-ring-and-pinion-gears-4
store_origin: US
region: United States of America
---

# 4.56 Gear Ratio 8620 Heat-Treated 30 Spline Pinion GM 8.5" 10-Bolt Ring & Pinion Gears - 4.56 Ratio

**Brand:** qp
**Price:** $367.57
**Availability:** ✅ In Stock

## Summary

> 🔧 Gear Up for Greatness!

## Quick Answers

- **What is this?** GM 8.5" 10-Bolt Ring & Pinion Gears - 4.56 Ratio by qp
- **How much does it cost?** $367.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/2515131-gm-8-5-10-bolt-ring-and-pinion-gears-4)

## Best For

- qp enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Brand:** Manufactured by QP, a name synonymous with quality in automotive parts.
- • **Easy Installation:** Engineered for a straightforward setup, saving you time and hassle.
- • **Performance Boost:** 4.56 gear ratio designed for enhanced acceleration and torque.
- • **Unmatched Durability:** Crafted from 8620 heat-treated material for superior strength.
- • **Precision Engineering:** 30 spline pinion ensures a perfect fit and optimal performance.

## Overview

The GM 8.5" 10-Bolt Ring & Pinion Gears with a 4.56 ratio are engineered for performance enthusiasts seeking durability and precision. Made from 8620 heat-treated material and featuring a 30 spline pinion, these gears are designed to enhance your vehicle's acceleration and torque while ensuring a seamless installation process.

## Description

GM 8.5" 10-Bolt Ring & Pinion Gears - 4.56 Ratio

## Features

- 8620 Heat-Treated Material
- 30 Spline Pinion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | QP |
| Brand | QP |
| Manufacturer Part Number | GM8.5-456 |

## Images

![GM 8.5" 10-Bolt Ring & Pinion Gears - 4.56 Ratio - Image 1](https://m.media-amazon.com/images/I/41+lyGE+fGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 4.56 gear
*by B***R on December 21, 2019*

love product

### ⭐⭐⭐⭐⭐ Fast shipping
*by T***A on February 9, 2019*

Good deal

### ⭐⭐⭐⭐⭐ Five Stars
*by G***N on June 13, 2016*

Great price. Gears still going strong after 6 months of semi abuse.

## Frequently Bought Together

- GM 8.5" 10-Bolt Ring & Pinion Gears - 4.56 Ratio
- (ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential

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**Shop now:** [https://www.desertcart.us/products/2515131-gm-8-5-10-bolt-ring-and-pinion-gears-4](https://www.desertcart.us/products/2515131-gm-8-5-10-bolt-ring-and-pinion-gears-4)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-05*