--- 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: "5448.23 DT" currency: TND in_stock: true category: "Yukon Gear & Axle" url: https://www.desertcart.tn/products/335365684-yukon-gear-dura-grip-limited-slip-positraction-unit-for-gm store_origin: TN region: Tunisia --- # 4-spring Clutch Style Positraction 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:** 5448.23 DT **Availability:** ✅ In Stock ## Summary > 🚙 Grip the road like a pro — never get left behind! ## 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?** 5448.23 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - • **Rebuildable for Life:** Fully rebuildable internals mean you can maintain peak performance and extend your investment indefinitely. - • **Unmatched Durability:** Built with premium forged 4320 steel for long-lasting strength under the toughest conditions. - • **Proudly American Made:** Assembled in the USA, ensuring top-tier quality and craftsmanship you can trust. - • **Seamless Compatibility:** Fits GM 8.5"/8.6" differentials with 30 spline axles and 2.73+ gear ratios—upgrade your ride without compromise. - • **Precision Traction Control:** 4-spring clutch design delivers aggressive, smooth power distribution to both wheels for superior grip on and off-road. ## Overview The Yukon Gear Dura Grip Limited Slip Positraction Unit is a high-performance differential upgrade designed for GM 8.5" and 8.6" differentials with 30 spline axles and 2.73+ gear ratios. Featuring forged 4320 steel internals and a 4-spring clutch style mechanism, it delivers aggressive traction and smooth power transfer for both on- and off-road driving. Fully rebuildable and assembled in the USA, this unit offers durability, precision, and reliability for serious drivers seeking enhanced control and confidence. ## 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.Compatible with Differentials:• GM 8.5" Front - 28 Spline• GM 8.5" Front - 30 Spline• GM 8.5" Rear - 28 Spline• GM 8.5" Rear - 30 Spline• GM 8.6" Rear, '09 & up• GM 8.6" Rear, '99-'08 ## Features - Forged 4320 Steel Internals - Fully Rebuildable; 4-spring, clutch style positraction - Clutch Style Positraction - Assembled in the USA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003O755NS | | Best Sellers Rank | #94,671 in Automotive ( See Top 100 in Automotive ) #29 in Car Differential Assembly Kits | | Brand Name | Yukon Gear & Axle | | Customer Reviews | 4.7 4.7 out of 5 stars (861) | | Global Trade Identification Number | 00883584260165 | | Included Components | 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 Type Name | 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 Weight | 0.01 Ounces | | Manufacturer | Yukon Gear & Axle | | Material Type | Alloy Steel | | Model | YDGGM8.5-3-30-1 | | Number of Items | 1 | | Part Number | YDGGM8.5-3-30-1 | | UPC | 883584260165 | | Unit Count | 1 Count | ## Product Details - **Brand:** Yukon Gear & Axle - **Colour:** Purple - **Global Trade Identification Number:** 00883584260165 - **Material:** Alloy Steel - **UPC:** 883584260165 ## 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) ## Available Options This product comes in different **Pattern, 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 --- ## 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.tn/products/335365684-yukon-gear-dura-grip-limited-slip-positraction-unit-for-gm](https://www.desertcart.tn/products/335365684-yukon-gear-dura-grip-limited-slip-positraction-unit-for-gm) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-18*