Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles

SKU: YUKYDGGM8.5-3-30-1

Differential Carriers

YUK Dura Grip...

Yukon Gear & Axle

Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles

SKU: YUKYDGGM8.5-3-30-1

Differential Carriers

YUK Dura Grip...

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

IMPORTANT NOTICE: For 1999 and later applications with 30-spline axles or 1998 and earlier when converting from 28 to 30-spline axles. When used in the 1998 and earlier housing, must use special carrier bearings with 1.781 in. I.D. and 2.891 in. O.D. race (See Recommended Parts tab). Designed for 2.73 and numerically higher ratios. Not designed to be used with synthetic oil.

Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Product Overview

Features and Benefits

Fits 8.5 in./8.6 in. GM w/30 Spline Axles
Fully rebuildable design and proudly assembled in the USA
Fits 8.5" & 8.6" GM with 30 spline axles
Fits 2.73-and-up gear ratio
All units are backed by extensive product testing and state-of-the-art software design
Limited Slip Differential with composite clutches
Yukon Dura Grips feature 4320 chromoly spider gears for ultimate durability
Fits 2.73 Gear Ratio Up
Limited Slip Differential w/Composite Clutches

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Assembled:	Yes
Axle Shaft Spline Quantity:	30
Axle Type:	semi Floating
Bolt Hole Quantity:	10
California Proposition 65:	WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Case Included:	Yes
Description:	8.5in./8.6in. GM 2.73/Up Dura Grip Limited Slip; 30spl; Composite Clutches
Differential Brand:	GM
Gear Ratio:	2.73 and up
Heat Treated:	Yes
Material:	Steel
Part Number:	yukYDGGM8.5-3-30-1
Title:	Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline
Type:	Limited Slip Positraction
WARNING CA Proposition 65 Message:	WARNING: This product can expose you to chemicals including arsenic; which is known to the State of California to cause cancer. For more information; go to www.P65Warnings.ca.gov.
WARNING CA Proposition 65 Required:	Yes
WARNING CA Proposition 65 Warning Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Application Summary

8.5" & 8.6" GM 30spl DURAGRIP, LRG HUB 2.73&UP POSITRACTION, COMPOSITE CLUTCH

Part Type

Limited Slip Differential Assembly

Data: v4.2 - Upd: 2026-10-22 20:07:15

Features

All units are backed by extensive product testing and state-of-the-art software design
Fits 2.73 Gear Ratio Up
Fits 2.73-and-up gear ratio
Fits 8.5 in./8.6 in. GM w/30 Spline Axles
Fits 8.5" & 8.6" GM with 30 spline axles
Fully rebuildable design and proudly assembled in the USA
Limited Slip Differential w/Composite Clutches
Limited Slip Differential with composite clutches
Yukon Dura Grips feature 4320 chromoly spider gears for ultimate durability

Specifications

Product Attributes - Brand: Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number: YDGGM8.5-3-30-1
Product Attributes - Part Type: Differential Carriers
Product Attributes - Product Line: Yukon Gear & Axle Dura Grip Positraction Carriers
Product Attributes - UPC: 883584260165
Product Attributes - Differential Case Design Type: GM 8.6 in.
Product Attributes - Remanufactured: No
Product Attributes - Aftermarket Carrier Style: Clutch-type
Product Attributes - Cover Bolts: 10
Product Attributes - Axle Shaft Spline Quantity: 30
Product Attributes - Manufacturer of Axle: GM
Product Attributes - Carrier Material: Nodular iron
Product Attributes - Carrier Bearings Included: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: For 1999 and later applications with 30-spline axles or 1998 and earlier when converting from 28 to 30-spline axles. When used in the 1998 and earlier housing, must use special carrier bearings with 1.781 in. I.D. and 2.891 in. O.D. race (See Recommended Parts tab). Designed for 2.73 and numerically higher ratios. Not designed to be used with synthetic oil.

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYDGGM8.5-3-30-1
SFX Item ID	4489091
Supplier Item Code	4489091
Manufacturer SKU	YDGGM8.5-3-30-1
Manufacturer UPC	883584260165
Alternative References	yga-26016, YKNYDGGM8.5-3-30-1, 8.5in, 8.6in