---
product_id: 335365684
title: "Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5\"/8.6\" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1"
brand: "yukon gear & axle"
price: "157849 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/335365684-yukon-gear-dura-grip-limited-slip-positraction-unit-for-gm
store_origin: KG
region: Kyrgyzstan
---

# 4-spring clutch-style limited slip Forged 4320 steel internals Assembled in the USA Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1

**Brand:** yukon gear & axle
**Price:** 157849 som
**Availability:** ✅ In Stock

## Summary

> ⚙️ Grip the road like a pro—never lose traction, never lose control!

## Quick Answers

- **What is this?** Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 by yukon gear & axle
- **How much does it cost?** 157849 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/335365684-yukon-gear-dura-grip-limited-slip-positraction-unit-for-gm)

## Best For

- yukon gear & axle enthusiasts

## Why This Product

- Trusted yukon gear & axle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wide Compatibility:** Fits GM 8.5" & 8.6" differentials with 30 spline axles and 2.73+ gear ratios—perfect for a broad range of classic and modern GM vehicles.
- • **Unmatched Durability:** Built with premium forged 4320 steel for long-lasting strength under pressure.
- • **Proudly American Made:** Assembled in the USA, ensuring top-tier quality and craftsmanship you can trust.
- • **Rebuildable & Serviceable:** Fully rebuildable internals mean you can maintain peak performance without costly replacements.
- • **Precision Traction Control:** 4-spring clutch design delivers aggressive, smooth power split for superior grip on any terrain.

## Overview

The Yukon Gear Dura Grip Limited Slip Positraction Unit is a high-performance clutch-style LSD designed for GM 8.5" and 8.6" differentials with 30 spline axles and gear ratios of 2.73 and up. Featuring forged 4320 steel internals and fully rebuildable components, this USA-assembled unit delivers aggressive traction and smooth operation for both on- and off-road driving, compatible with a wide range of GM vehicles from classic muscle cars to modern trucks.

## Description

Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1

## Features

- Forged 4320 Steel Internals
- Fully Rebuildable; 4-spring, clutch style positraction
- Clutch Style Positraction
- Assembled in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Yukon Gear & Axle |
| Model | Yukon Gear Dura Grip Limited Slip Positraction Unit for GM 8.5'/8.6' Differential with 30 Spline Axle, 2.73-And-Up Ratio, YDGGM8.5-3-30-2 |
| Item model number | YDGGM8.5-3-30-1 |
| Exterior | Machined |
| Manufacturer Part Number | YDGGM8.5-3-30-1 |
| OEM Part Number | YDGGM9.5331 |
| Special Features | DIFFERENTIAL OIL: Use non-synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive (ASIN B00J0G09JW, model OILADD) are recommended for durable performance and smooth operation. Synthetic oil is not recommended and can result in aggressive or noisy operation. This unit requires the use of carrier bearing & race part numbers LM102949 & LM102911 for the 8.5 in. housing (2.891 in. Race OD) or LM603049 & LM603012 for the GM 8.600 in. housing (3.062 in. Race OD)., The GM 8.5" & 8.6" came in the following vehicles | GTO '70-'74 | Hummer H3 '06-'10 | Impala '71-'85 '94-'96 | Isuzu Ascender '03-'08 | Malibu '73-'83 | Nova '70-'79 | Oldsmobile Cutlass '70-'77 '85-'87 | Omega '73-'79Pontiac Bonneville '70-'86 | Rainier '04-'07 | Regal '73-'87 | Replacement Part Number: '559-010 | Riviera '75-'78 | S-10 Blazer '94 | S-10 Pickup '99-'04 | Saab 9-7X '05-'09 | Savana '96-'13 | Sierra 1500 '99-'17 | Sierra 2500 '11-'13 | Sierra 3500 '11-'13 | Silverado 1500 '99-'17, The GM 8.5" and 8.6" came in the following vehicles | Bel Air '70-'75 | Blazer '77-'94 | Buick Apollo '73-'75 | Cadillac Escalade '99-'00 '02-'13 | Camaro '70-'81 | Canyon '04-'12 | Caprice '70-'96 | Catalina '70-'81 | Chevelle '73 | Chevy Avalanche '02-'06 '09-'13 | Chevy Monte Carlo '73-'78 | CK Pickup '77-'86 '88-'00 | Colorado '04-'13 | El Camino '71-'76 | Electra '71-'89 | Envoy '02-'09 | Express '96-'14 | Firebird '70-'81 | GMC CK Pickup '77-'86 '88-'00 | Grand Prix '71-'87, The GM 8.5" and 8.6" came in the following vehicles | G-Series '75-'95 | G-Series '78-'95 | Skylark '70-'72 '75-'79 | Sonoma '94-'04 | SSR '03-'06 | Suburban '77-'86 '92-'99 | Suburban '77-'99 | Tahoe '95-'17 | Trailblazer '02-'09 | Typhoon '92-'93 | Ventura '76-'77 | Yukon '00-'13 | Yukon Denali '01-'13, The Yukon DuraGrip Positraction (also known as a "posi") is a Limited slip differential (LSD), is a traction device that splits torque to both axles, enabling continuous traction around corners as well as a strait line. This Posi fits a GM 10 Bolt 8.5" & 8.6" Inches with 30 Spline Axles. Aftermarket Carrier Style: Clutch-type. Fits 2.73 Gear Ratio & Up. |
| Item Weight | 10.1 Kilograms |

## Product Details

- **Brand:** Yukon Gear & Axle
- **Material:** Alloy Steel
- **Colour:** Purple
- **UPC:** 883584260165
- **Global Trade Identification Number:** 00883584260165

## Images

![Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 - Image 1](https://m.media-amazon.com/images/I/61vTkWDo-GL.jpg)
![Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 - Image 2](https://m.media-amazon.com/images/I/717Z2ydxd8L.jpg)
![Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 - Image 3](https://m.media-amazon.com/images/I/7145xqbhzQS.jpg)
![Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 - Image 4](https://m.media-amazon.com/images/I/71lsuZ1tx4S.jpg)
![Yukon Gear Dura Grip Limited Slip Positraction Unit For gm 8.5"/8.6" Differential With 30 Spline AXLe, 2.73-And-Up Ratio, Ydggm8.5-3-30-1 - Image 5](https://m.media-amazon.com/images/I/717Z2ydxd8L.jpg)

## Available Options

This product comes in different **Pattern Name, Style** options.

## Questions & Answers

**Q: Will this fit a 86 Chevy C10 with the 8.5 10 bolt rear?**
A: no you will need 30 spline axles those trucks used 28 spline axles

**Q: This fit a 94 chevy 1500?**
A: Yes, this unit will work GREAT in a 1994 Chevy 1500.

Let me know if you have any other questions.

Thanks,
BRYDON
641-751-8060
staticz2229@gmail.com

**Q: Is this a drop in replacement?**
A: Almost a  drop in unit, you will have to move your ring gear from your  original  unit..and  press on new  bearings...

**Q: Will this fit a 1973 Pontiac Firebird?**
A: First answer is not correct. This is NOT for a 9.5” 14 bolt. The description states it is for a 10 bolt 8.5” or 8.6” with 30 spline axle shafts

## Frequently Bought Together

- Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30 Spline, 2.73-Up, Compatible with 8.5"/8.6" GM Axle, YDGGM8.5-3-30-1
- Friction Modifier Positraction Additive for Limited Slip Differentials
- Yukon Gear & Axle (CK GM8.6) Carrier Installation Kit for GM 8.6 Differential

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-01-22*