---
product_id: 2515133
title: "GM 8.5\" 10-Bolt Ring & Pinion Gears - 4.11 Ratio"
brand: "qp"
price: "AR$823740"
currency: ARS
in_stock: true
reviews_count: 3
category: "Qp"
url: https://www.desertcart.com.ar/products/2515133-gm-8-5-10-bolt-ring-and-pinion-gears-4
store_origin: AR
region: Argentina
---

# 4.11 gear ratio for aggressive performance boost 30 spline pinion for precision power transfer 8620 heat-treated steel for ultimate durability GM 8.5" 10-Bolt Ring & Pinion Gears - 4.11 Ratio

**Brand:** qp
**Price:** AR$823740
**Availability:** ✅ In Stock

## Summary

> ⚙️ Unlock your ride’s hidden power with precision-engineered gears!

## Quick Answers

- **What is this?** GM 8.5" 10-Bolt Ring & Pinion Gears - 4.11 Ratio by qp
- **How much does it cost?** AR$823740 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/2515133-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

- • **Built to Last:** Crafted from premium 8620 heat-treated steel for unmatched strength and longevity
- • **Trusted Quality:** Backed by a 1-year warranty against workmanship defects—drive with confidence
- • **Pro-Level Fitment:** Designed specifically for GM 8.5" differentials, ensuring seamless installation and optimal performance
- • **Performance Upgrade:** 4.11 gear ratio delivers that perfect balance of torque and speed for spirited driving
- • **Precision Engineering:** 30 spline pinion ensures smooth, reliable power delivery under high stress

## Overview

The GM 8.5" 10-Bolt Ring & Pinion Gearset with a 4.11 ratio is built from durable 8620 heat-treated steel and features a 30 spline pinion for precise power transfer. Designed for GM 8.5" differentials, it offers a performance boost with aggressive gearing, backed by a 1-year workmanship warranty for reliability.

## Description

GM 8.5" Ring & Pinion Gearset - 4.11 Ratio. 1 Year Warranty Against Defects in Workmanship

Review: Five Stars - great buy......
Review: Great part...great service - Part worked great.......service was fantastic

## Features

- 8620 Heat-Treated Material
- 30 Spline Pinion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00AYJ3PTU |
| Best Sellers Rank | #2,852,124 in Automotive ( See Top 100 in Automotive ) #769 in Automotive Replacement Differential Rings & Pinions |
| Brand | QP |
| Customer Reviews | 3.7 3.7 out of 5 stars (12) |
| Date First Available | January 8, 2013 |
| Manufacturer | QP |
| Manufacturer Part Number | GM8.5-411 |

## Images

![GM 8.5" 10-Bolt Ring & Pinion Gears - 4.11 Ratio - Image 1](https://m.media-amazon.com/images/I/41yIaNNZJYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by N***N on September 3, 2015*

great buy......

### ⭐⭐⭐⭐ Great part...great service
*by L***Y on August 3, 2021*

Part worked great.......service was fantastic

### ⭐ very poor
*by H***. on April 28, 2014*

no measurement for pinion depth given for these gears and tech support was no help at all. stay with Richmond gear,they support what they sell. Motive only supports info on gears over 200 in cost.

## Frequently Bought Together

- GM 8.5" 10-Bolt Ring & Pinion Gears - 4.11 Ratio
- (ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential

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**Shop now:** [https://www.desertcart.com.ar/products/2515133-gm-8-5-10-bolt-ring-and-pinion-gears-4](https://www.desertcart.com.ar/products/2515133-gm-8-5-10-bolt-ring-and-pinion-gears-4)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-22*