---
product_id: 46796847
title: "POSI LIMITED-SLIP DIFFERENTIAL - GM 10 BOLT 8.5-28 SPLINE CAR"
brand: "monkey grip"
price: "A$286"
currency: AUD
in_stock: false
reviews_count: 1
url: https://www.desertcart.com.au/products/46796847-posi-limited-slip-differential-gm-10-bolt-8-5-28
store_origin: AU
region: Australia
---

# 28 spline count 8.5" bolt pattern Limited-slip tech POSI LIMITED-SLIP DIFFERENTIAL - GM 10 BOLT 8.5-28 SPLINE CAR

**Brand:** monkey grip
**Price:** A$286
**Availability:** ❌ Out of Stock

## Summary

> 🚗 Elevate Your Drive with Precision Performance!

## Quick Answers

- **What is this?** POSI LIMITED-SLIP DIFFERENTIAL - GM 10 BOLT 8.5-28 SPLINE CAR by monkey grip
- **How much does it cost?** A$286 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/46796847-posi-limited-slip-differential-gm-10-bolt-8-5-28)

## Best For

- monkey grip enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed specifically for GM 10 bolt applications, ensuring seamless installation.
- • **Lightweight Power:** Weighing in at just 20.8 lbs, this differential enhances your car's agility.
- • **Unleash Your Ride:** Transform your vehicle's performance with cutting-edge limited-slip technology.
- • **Upgrade Your Drive:** Experience superior traction and control, making every drive a thrilling adventure.
- • **Precision Engineering:** Crafted by National Drivetrain for unmatched reliability and durability.

## Overview

The POSI Limited-Slip Differential by National Drivetrain is engineered for GM 10 bolt vehicles, featuring a robust 8.5-inch bolt pattern and 28 spline count. Weighing only 20.8 pounds, it offers a perfect blend of performance and lightweight design, ensuring enhanced traction and control on the road.

## Description

MONKEY GRIP POSI LIMITED-SLIP DIFFERENTIAL - GM 10 BOLT 8.5 inch - 28 SPLINE - CARThis is the type of posi you would expect to find in most classic muscle cars and trucks. Simple friction and steel clutch plates, preloaded with a traditional s-type spring. Simple design, operation and reliability will always be a classic. - BEARING JOURNALS MAY BE LARGER THAN STOCK AND REQUIRE DIFFERENT BEARINGS AND RACES - GM 10 BOLT 8.5 inch - 28 SPLINE

## Features

- National Drivetrain

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | National Drivetrain |
| Brand | Monkey Grip |
| Item Weight | 20.8 pounds |
| Manufacturer Part Number | 201028-MG |

## Images

![POSI LIMITED-SLIP DIFFERENTIAL - GM 10 BOLT 8.5-28 SPLINE CAR - Image 1](https://m.media-amazon.com/images/I/41fReN6N1BL.jpg)

## Questions & Answers

**Q: will this fit a gmc caballero with 10 bolt cover and 4.11 gear**
A: Possibly

**Q: What bearings go with this carrier to install in gm 10 bolt rear**
A: Depends on which rear ending you have I had to get like conversion bearings

**Q: Will this fit 3.07 ratio ring gear ?**
A: Yes, it is a 3 series that will fit all 2.73 and numerically higher gear ratios including 3.08 ratio.

**Q: Will this fit my 1985 c10...it is 28 spline and 10 bolt. Asking cause title says car and didnt want to order incorrect part..thanks**
A: I was going to put it in a 72 nova.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good
  

*by A***R on Reviewed in the United States on May 3, 2021*

Good

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**Shop now:** [https://www.desertcart.com.au/products/46796847-posi-limited-slip-differential-gm-10-bolt-8-5-28](https://www.desertcart.com.au/products/46796847-posi-limited-slip-differential-gm-10-bolt-8-5-28)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-16*