--- product_id: 386574239 title: "Yukon Dura Grip Limited Slip for GM 8.5\" & 8.6\" Diff, 2.73 & Up Ratio, 30 Spline" brand: "yukon gear & axle" price: "R37648" currency: ZAR in_stock: true category: "Yukon Gear & Axle" url: https://www.desertcart.co.za/products/386574239-yukon-dura-grip-limited-slip-for-gm-8-5-8 store_origin: ZA region: South Africa --- # Fully rebuildable design Forged 4320 steel internals Assembled in the USA Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline **Brand:** yukon gear & axle **Price:** R37648 **Availability:** ✅ In Stock ## Summary > 🚙 Grip the road like a pro—because your ride deserves the best traction upgrade! ## Quick Answers - **What is this?** Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline by yukon gear & axle - **How much does it cost?** R37648 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/386574239-yukon-dura-grip-limited-slip-for-gm-8-5-8) ## 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 - • **Optimized for Power:** Designed for GM 8.5" & 8.6" diffs with 2.73+ gear ratios and 30 spline for superior drivetrain compatibility. - • **Unmatched Durability:** Forged 4320 steel internals engineered for long-lasting strength and reliability. - • **Proudly American Made:** Assembled in the USA with a 1-year warranty, ensuring quality you can trust and brag about. - • **Customizable Performance:** Fully rebuildable clutch-style posi traction lets you tailor your ride’s grip and handling. - • **Smooth Yet Aggressive Traction:** Delivers aggressive traction to both wheels without sacrificing ride comfort—perfect for on and off-road adventures. ## Overview The Yukon Dura Grip Limited Slip is a clutch-style posi traction unit designed for GM 8.5" & 8.6" differentials with 2.73 and higher gear ratios. Featuring forged 4320 steel internals and a fully rebuildable design, it delivers aggressive traction to both wheels while maintaining a smooth ride. Assembled in the USA and backed by a 1-year warranty, it’s the go-to upgrade for serious towing, off-road hauling, and enhanced drivetrain performance. ## Description Dura Grip Positraction from Yukon Gear and Axle provides aggressive traction to both wheels while maintaining a smooth ride. For a variety of on and off road applications. ## Features - 1 Year Warranty;2.73 ratio and up only - Forged 4320 Steel Internals - Fully Rebuildable - Clutch Style Positraction - Assembled in the USA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003O755NS | | Brand Name | Yukon Gear & Axle | | Customer Reviews | 4.7 4.7 out of 5 stars (867) | | Global Trade Identification Number | 00883584260165 | | Item Weight | 0.01 Ounces | | Manufacturer | Yukon Gear and Axle | | Material Type | Steel | | Model Number | YDGGM8.5-3-30-1 | | Number of Items | 1 | | Part Number | YDGGM8.5-3-30-1 | | UPC | 883584260165 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Yukon Gear & Axle - **Colour:** Purple - **UPC:** 883584260165 - **Global Trade Identification Number:** 00883584260165 - **Manufacturer:** Yukon Gear ## Images ![Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline - Image 1](https://m.media-amazon.com/images/I/41-6FoYTAKL.jpg) ![Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline - Image 2](https://m.media-amazon.com/images/I/51k6ivESOXL.jpg) ![Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline - Image 3](https://m.media-amazon.com/images/I/61vTkWDo-GL.jpg) ## Available Options This product comes in different **Size** 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/386574239-yukon-dura-grip-limited-slip-for-gm-8-5-8](https://www.desertcart.co.za/products/386574239-yukon-dura-grip-limited-slip-for-gm-8-5-8) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-21*