Fits select 1971-2015 Chevrolet, Dodge, Ford, and GMC trucks equipped with a Dana Spicer 60 front axle and 35-spline outer stubs.

The Yukon Gear Hardcore Drive Flange Kit (MPN: YHC50005) is engineered for serious off-road use where traditional manual locking hubs are the weak link. By replacing internal manual hubs with these high-strength drive flanges, you ensure permanent engagement and maximum torque transfer to your front wheels. This kit is a critical upgrade for rock crawling and heavy-duty trail applications where drivetrain reliability is paramount.

• Fits Dana Spicer 60 front axles with 35-spline outer axle shafts
• Includes two high-strength drive flanges
• Includes two Yukon engraved caps for a finished, professional look
• Complete with all necessary installation hardware
• Eliminates the failure points of mechanical locking hub assemblies
• Manufacturer Part Number: YHC50005

Fits select 1971-2015 Chevrolet, GMC, Dodge, and Ford 4WD trucks equipped with a Dana Spicer 60 front axle and 30-spline outer axles.

The Yukon Hardcore Drive Flange Kit is engineered for extreme off-road applications where manual locking hubs are the weak link in the drivetrain. Designed to replace internal manual locking hubs, this kit provides a permanent, fixed connection between the outer stub axle and the wheel hub. This eliminates the risk of hub failure or unintentional disengagement during high-torque scenarios such as rock crawling or competition use.

Constructed for maximum durability, these flanges ensure your drivetrain remains fortified against the stresses of oversized tires and harsh terrain. This specific kit features non-engraved caps for a clean, understated look at the wheel hub.

• Manufacturer Part Number: YHC50004
• Axle Fitment: Dana Spicer 60
• Spline Count: 30-Spline Outer Stubs
• Cap Finish: Non-Engraved
• Included Hardware: Two (2) drive flanges, two (2) caps, and all necessary mounting hardware

Fits select 1971-2015 Chevrolet, Dodge, Ford, and GMC trucks equipped with a Dana Spicer 60 front axle and 30-spline outer stubs.

The Yukon Gear Hardcore Drive Flange Kit (YHC50003) is engineered for extreme off-road environments where traditional manual locking hubs often fail. By replacing internal locking mechanisms with solid drive flanges, this kit provides a fail-safe connection that ensures constant engagement and maximum power delivery to the wheels. It is the ultimate upgrade for rock crawlers and heavy-duty trail rigs that demand absolute drivetrain reliability.

• Increased Strength: Eliminates moving internal hub components to provide a more robust connection for high-torque applications.
• Solid Engagement: Perfect for dedicated off-road vehicles that require permanent front-axle engagement.
• Premium Aesthetics: Features signature Yukon engraved caps for a clean, professional finish.
• Technical Spec: Compatible with Dana Spicer 60 front axles featuring 30-spline outer axle shafts.

Kit Includes: (2) Drive Flanges, (2) Yukon Engraved Caps, and all required installation hardware.

Fits select 2018-2024 Jeep Wrangler and Wrangler JK (Sport, Sahara, Rubicon, and Willys models).

The Yukon Gear & Axle YGK079 Gear and Install Kit Package provides a complete solution for re-gearing your Jeep. This comprehensive package eliminates the guesswork by combining front and rear 4.88 ratio ring and pinion sets with matching Yukon Master Overhaul Kits in a single part number. Engineered for the Dana 44 (M220) rear axle and Dana 30 (M186) front axle, this kit is the ideal choice for enthusiasts looking to accommodate larger tires, restore towing power, or improve off-road crawling capability.

Yukon ring and pinion sets are manufactured using high-grade materials and advanced heat-treating techniques to ensure maximum tooth strength and precise surface finishes. The included Master Overhaul Kits provide every component required for a professional differential rebuild, including high-quality bearings, seals, shims, and hardware. This kit simplifies the installation process and ensures all components are matched for optimal fitment and long-term durability.

• Includes front and rear ring and pinion gear sets
• Includes two Master Overhaul Kits with premium bearings and seals
• 4.88 Gear Ratio
• Specifically designed for Dana 44 / M220 Rear and Dana 30 / M186 Front axles
• Engineered for precise gear mesh and quiet operation
• Manufacturer Part Number: YGK079

Fits 2018-2024 Jeep Wrangler and Wrangler JK (Dana 44 Rear / Dana 30 Front).

The Yukon Gear & Axle Complete Gear and Kit Package provides a comprehensive solution for re-gearing your Jeep Wrangler. This all-in-one kit simplifies the process of upgrading to a 4.56 gear ratio, which is ideal for accommodating larger tire sizes, restoring lost towing power, or improving off-road performance. Each package includes front and rear ring and pinion gear sets along with complete Master Overhaul Kits to ensure a professional-grade installation.

Engineered using state-of-the-art design software and advanced heat-treating techniques, Yukon gears are built for dependable performance and precise surface finishes. The included Master Overhaul Kits provide all necessary bearings, seals, and small hardware required for a full differential rebuild. This kit also qualifies for the Yukon Y.E.S. Plan, a comprehensive lifetime protection plan for the original owner.

• Manufacturer Part Number: YGK078
• Gear Ratio: 4.56
• Front Differential: Dana 30
• Rear Differential: Dana 44
• Includes front and rear ring and pinion sets
• Includes two Master Overhaul Kits (bearings, seals, and hardware)
• Heat-treated for increased durability and wear resistance

Fits select 2018-2024 Jeep Wrangler and Wrangler JK models with a Dana 30 front and Dana 35 rear axle configuration.

The Yukon Gear and Kit Package (YGK073) is a comprehensive solution designed to simplify the re-gearing process for your Jeep. This all-in-one bundle provides the necessary components to upgrade or refresh both the front and rear differentials simultaneously. Whether you are correcting the speedometer and power band after installing larger tires or seeking improved torque for towing and off-road crawling, this 4.56 ratio kit delivers the performance and durability required for demanding environments.

Yukon Gear & Axle utilizes advanced heat-treating techniques and state-of-the-art design software to ensure each ring and pinion set meets exacting surface finish and structural tolerances. Each kit includes the front and rear gear sets along with Yukon Master Overhaul Kits, which contain high-quality bearings, seals, and all small hardware needed for a professional installation.

• Manufacturer Part Number: YGK073
• Gear Ratio: 4.56
• Front Axle: Dana 30
• Rear Axle: Dana 35
• Kit Includes: Front and rear ring and pinion sets, front and rear Master Overhaul Kits
• Installation Components: Bearings, shims, seals, and hardware
• Application: Optimized for tire size increases and improved towing performance

Fits select 2018-2024 Jeep Wrangler (JK, JL) and Gladiator (JT) models equipped with Dana 44 front and rear differentials.

The Yukon Gear & Axle Gear and Install Kit Package (MPN: YGK068) provides a comprehensive solution for re-gearing your Jeep. This all-in-one kit is designed for enthusiasts upgrading to larger tires, seeking improved towing power, or restoring off-road performance. By combining front and rear ring and pinion gear sets with master overhaul kits in a single package, Yukon ensures component compatibility and simplifies the installation process.

Yukon Gear & Axle components are engineered using advanced heat-treating techniques and state-of-the-art design software to ensure durability and precise surface finishes. These kits include the high-performance gears and all necessary bearings, seals, and small parts required for a complete differential rebuild. This kit is eligible for the Yukon Y.E.S. Plan, a lifetime protection plan for the original vehicle owner.

• Manufacturer Part Number: YGK068
• Gear Ratio: 4.88
• Axle Compatibility: Dana 44 (D44) Front and Rear
• Includes front and rear ring and pinion gear sets
• Includes two Master Overhaul Kits with bearings, seals, and hardware
• Heat-treated for maximum structural integrity

Fits 2007-2018 Jeep Wrangler and Wrangler JK models including Rubicon, Sahara, Sport, X, and Unlimited trims.

The Yukon Gear & Axle Gear and Install Kit Package (YGK055) provides a comprehensive solution for re-gearing your vehicle under a single part number. Designed for drivers increasing tire size, looking to recover towing power, or seeking enhanced off-road performance, this kit replaces worn factory components with high-performance ring and pinion sets engineered for longevity and precise mesh.

Each kit features ring and pinion sets for both the front and rear differentials, paired with Yukon Master Overhaul Kits. These overhaul kits include all the necessary bearings, seals, and hardware required for a professional-grade installation. Yukon utilizes state-of-the-art heat-treating and testing processes to ensure the structure and surface finish of every gear meet strict quality standards for quiet operation and durability.

• Manufacturer Part Number: YGK055
• Gear Ratio: 4.11
• Front and rear ring and pinion gear sets included
• Front and rear Master Overhaul Kits included
• Advanced heat-treated steel construction
• Designed for high-performance applications and larger tire sizes
• Compatible with Yukon Y.E.S. Plan lifetime protection

Fits 2007-2018 Jeep Wrangler and Wrangler JK including Rubicon, Sahara, Sport, and X models.

The Yukon Gear & Axle YGK054 Gear and Install Kit Package provides a comprehensive solution for re-gearing your Jeep JK. This kit simplifies the upgrade process by bundling front and rear ring and pinion gear sets with complete master overhaul kits into a single part number. Whether you are adjusting for larger tire diameters, increasing towing power, or improving off-road torque, this package delivers the components needed for a full differential service or gear ratio change.

Each gear set is engineered using advanced heat-treating and rigorous quality testing to ensure the surface finish and tooth geometry meet precise tolerances. The included master overhaul kits feature high-quality bearings, seals, and shim sets to provide a reliable setup for both the front and rear axles. This all-in-one solution eliminates the guesswork of sourcing individual components for a complete drivetrain overhaul.

• Manufacturer Part Number: YGK054
• Gear Ratio: 4.56
• Includes front and rear ring and pinion gear sets
• Includes front and rear master overhaul kits with bearings, seals, and hardware
• High-performance design for enhanced durability and quiet operation
• Optimized for vehicles with oversized tires or increased load requirements

Fits 2007-2018 Jeep Wrangler JK Rubicon and Unlimited Rubicon models.

The Yukon Gear & Axle YGK016 Gear and Install Kit provides a comprehensive solution for re-gearing your Jeep JK Rubicon. This all-in-one package is designed to restore performance and torque after installing larger tires or to enhance off-road crawling and towing capabilities. Each kit includes high-performance front and rear ring and pinion gear sets along with Yukon Master Overhaul Kits, ensuring you have every bearing, seal, and shim required for a professional-grade installation.

Yukon Gear & Axle components are engineered using advanced heat-treating techniques and state-of-the-art design processes to achieve tight tolerances and a superior surface finish. This kit is eligible for the Yukon Y.E.S. Plan, offering a lifetime protection plan for the original owner.

• Manufacturer Part Number: YGK016
• Gear Ratio: 5.13
• Front and rear ring and pinion sets included
• Complete Master Overhaul Kits with high-quality bearings and seals
• Restores power band for vehicles with oversized tires
• Direct fit for Dana 44 front and rear Rubicon housings

Fits 2007-2018 Jeep Wrangler Rubicon and Unlimited Rubicon (JK). This comprehensive Yukon Gear & Axle re-gear package is designed for Dana 44 front and rear differentials, providing everything necessary for a complete ratio change in one part number.

Whether you are compensating for larger tire diameters, restoring towing power, or improving off-road crawling capability, the YGK015 kit delivers matched front and rear ring and pinion sets alongside Yukon Master Overhaul Kits. Each gear set is engineered using advanced heat-treating techniques and state-of-the-art design processes to ensure a precise surface finish and long-term structural integrity under heavy trail use.

• Manufacturer Part Number: YGK015
• Gear Ratio: 4.88
• Differential Fitment: Dana 44 Front and Rear
• Includes front and rear ring and pinion gear sets
• Includes two Master Overhaul Kits with high-quality bearings, seals, and hardware
• Covered by the Yukon Y.E.S. Plan lifetime protection plan

Fits 2007-2018 Jeep Wrangler JK and Wrangler JK Unlimited Non-Rubicon models (Sahara, Sport, Sport S, and X).

The Yukon Gear & Axle YGK014 Gear and Install Kit Package provides a comprehensive solution for re-gearing your Jeep JK. This all-in-one bundle includes both front and rear ring and pinion gear sets paired with Yukon Master Overhaul Kits, allowing for a complete differential service or ratio change under a single part number. Engineered for durability, these high-performance gear sets utilize advanced heat-treating and state-of-the-art design to ensure precise surface finishes and structural integrity for off-road use, towing, or accommodating larger tire sizes.

• Complete kit includes front and rear ring & pinion sets and master overhaul kits
• High-quality master overhaul kits feature premium bearings and seals
• 5.13 gear ratio optimized for increased tire sizes and improved low-end torque
• Precision-engineered gear sets with rigorous quality testing
• Covered by the Yukon Y.E.S. Plan lifetime protection for original owners
• Manufacturer Part Number: YGK014

Fits select 2007-2018 Jeep Wrangler and Wrangler JK Non-Rubicon models (Dana 30 front / Dana 44 rear).

The Yukon Gear & Axle YGK013 Gear and Install Kit Package provides a professional-grade, single-part-number solution for your Jeep re-gear project. Engineered to restore power and torque after installing larger tires or to enhance off-road prowess, this kit replaces factory gears with a performance 4.88 ratio. Yukon engineers utilize advanced heat-treating and state-of-the-art design to ensure the gear structure and surface finish meet rigorous automotive standards for longevity and quiet operation.

This comprehensive kit includes both front and rear ring and pinion gear sets, along with the corresponding Yukon Master Overhaul Kits. These overhaul kits provide the high-quality bearings, seals, and shim kits necessary for a precise setup, ensuring all critical mounting points and tolerances are met during the install.

• Gear Ratio: 4.88
• Front Differential: Dana 30
• Rear Differential: Dana 44
• Build Material: High-performance heat-treated steel
• Included Hardware: Front and rear ring & pinion sets, master overhaul kits (bearings, seals, shims)
• Protection: Eligible for Yukon Y.E.S. Plan lifetime protection
• Manufacturer Part Number: YGK013

Fits 2007-2018 Jeep Wrangler JK and Wrangler JK Unlimited (Non-Rubicon) with Dana 30 front and Dana 44 rear differentials.

The Yukon Gear & Axle YGK012 Gear and Install Kit Package provides a comprehensive, single-part-number solution for re-gearing your Jeep. This kit is specifically designed to restore torque and performance lost to larger tires or to provide additional low-end power for towing and off-road applications. By combining front and rear gear sets with complete overhaul kits, this package ensures you have all necessary components for a full differential service.

Yukon Gear sets are engineered using state-of-the-art design and advanced heat-treating techniques to maintain strict tolerances for tooth contact and surface finish. The included Master Overhaul Kits feature high-quality bearings and seals to ensure a long-lasting, quiet gear installation on both factory-equipped Dana 30 front and Dana 44 rear axles.

• 4.56 gear ratio
• Fits Dana 30 front and Dana 44 rear axles
• Complete set for front and rear differentials
• Includes front and rear ring and pinion sets
• Includes two Master Overhaul Kits with bearings, seals, and hardware
• Compatible with Non-Rubicon submodels only
• Manufacturer Part Number: YGK012

Fits 1997-2006 Jeep Wrangler TJ models equipped with a Dana 30 front axle and Dana 44 rear axle.

The Yukon Gear & Axle Gear & Install Kit (MPN: YGK008) is a comprehensive solution designed to simplify your re-gear project. This kit provides front and rear ring and pinion gear sets matched with the necessary Master Overhaul Kits under a single part number, ensuring component compatibility and reducing downtime during installation.

Yukon high-performance ring and pinion sets are engineered using state-of-the-art design and advanced heat-treating techniques. These processes ensure the gear structure and surface finish meet exacting tolerances for strength and longevity. Whether you are increasing tire size to maintain your power band or seeking better off-road crawling capability, these kits provide the durability required for demanding environments.

• Complete re-gear package for Dana Spicer 30 front and Dana Spicer 44 rear differentials
• 4.88 gear ratio for improved torque and performance with larger tires
• Includes front and rear ring and pinion sets
• Includes two Master Overhaul Kits with high-quality bearings, seals, and shims
• High-strength construction with advanced heat-treatment
• Manufacturer Part Number: YGK008

Fits 1991-2001 Jeep Cherokee (XJ) with Reverse Rotation Dana Spicer 30 front and Chrysler 8.25" rear axles.

The Yukon Gear & Axle YGK004 Gear and Install Kit Package provides a comprehensive solution for re-gearing your vehicle in a single part number. This kit is engineered for drivers increasing tire size or seeking more off-road power, delivering both front and rear ring and pinion gear sets along with complete Yukon Master Overhaul Kits. Each gear set is manufactured using advanced heat-treating techniques and state-of-the-art design to ensure the structure and surface finish meet rigorous quality standards.

• 4.88 gear ratio for front and rear differentials
• Includes front and rear ring and pinion sets and master overhaul kits
• Overhaul kits include high-quality bearings, seals, and shims for a complete installation
• Designed for Dana 30 Reverse Rotation front and Chrysler 8.25" rear axles
• Covered by the Yukon Y.E.S. Plan lifetime protection warranty
• Manufacturer Part Number: YGK004

Whether you are compensating for larger tires or restoring drivetrain efficiency, these components provide the durability and precision required for demanding applications. This package simplifies the sourcing process, ensuring all necessary parts for a professional gear swap are included and compatible.

Fits 1991-2001 Jeep Cherokee models equipped with a reverse rotation Dana 30 front axle and a Chrysler 8.25-inch rear axle.

The Yukon Gear & Axle YGK003 Gear and Install Kit is a comprehensive solution for re-gearing your Jeep. This package combines high-performance front and rear ring and pinion gear sets with Yukon Master Overhaul Kits into a single part number, simplifying the upgrade process for XJ models. These gear sets are engineered using state-of-the-art design and advanced heat-treating techniques to ensure precise tolerances and long-term durability under heavy loads.

Ideal for enthusiasts increasing tire size or looking to regain towing power, this kit includes everything needed to refresh your drivetrain. Yukon also offers the Y.E.S. Plan, providing a lifetime, comprehensive protection plan for the gear set for as long as you own the vehicle.

• Complete 4.56 ratio front and rear ring and pinion gear sets
• Front Master Overhaul Kit for reverse rotation Dana 30
• Rear Master Overhaul Kit for Chrysler 8.25-inch axle
• High-quality bearings, seals, and installation hardware included
• Manufacturer Part Number: YGK003

Fits select 1984-1995 Jeep Wrangler (YJ) and Cherokee (XJ) models equipped with a reverse rotation Dana Spicer 30 front axle and AMC Model 35 rear axle.

The Yukon Gear & Axle Gear & Install Kit Package (MPN: YGK001) provides a comprehensive solution for re-gearing your Jeep. This all-in-one kit eliminates the guesswork of sourcing individual components by combining front and rear ring and pinion gear sets with the necessary Yukon Master Overhaul Kits. Designed for those increasing tire size or looking to restore lost torque and towing power, these gears are engineered using advanced heat-treating techniques and state-of-the-art design for precise mesh and long-term durability.

• Complete front and rear re-gear solution in a single part number
• 4.56 gear ratio optimized for larger tires and off-road performance
• Includes high-quality ring and pinion sets for Dana 30 (Reverse) and Model 35
• Master Overhaul Kits include premium bearings, seals, shim kits, and installation hardware
• Manufacturer Part Number: YGK001

Whether you are tackling a weekend trail or restoring a classic XJ or YJ, Yukon Gear & Axle ensures every component meets exacting quality standards for surface finish and structural integrity.

Fits select 2014-2019 Cadillac Escalade, Chevrolet Silverado/Suburban/Tahoe/Express, and GMC Sierra/Yukon/Savana (5.3L).

This Yukon Gear & Axle high-performance kit is engineered to restore lost torque and improve traction for 2014-2019 GM trucks and SUVs equipped with the 9.5-inch ring gear. The package includes a precision-machined 4.10 ratio ring and pinion set and the Yukon Duragrip limited-slip differential, making it an ideal upgrade for vehicles with larger tires or those used for heavy towing. The Duragrip differential utilizes a four-spring clutch design for smooth yet aggressive power delivery, while the gear set undergoes advanced heat-treating to ensure long-term durability and quiet operation under load.

• Manufacturer Part Number: YG GM9.5-410-12B
• Differential Type: Yukon Duragrip (Limited Slip)
• Ring Gear Diameter: 9.5 Inches
• Gear Ratio: 4.10
• Compatibility: Fits GM 12-Bolt Cover Applications
• Engine Fitment: 5.3L
• Includes comprehensive installation hardware for a precise setup

Fits select 1999-2015 Ford E-350 and F-350 Super Duty models equipped with a Dana 80 rear differential and 4.375-inch O.D. pinion bearing.

The Yukon Gear Minor Installation Kit (MK D80-B) is a focused solution for ring and pinion gear changes in newer vehicles where the carrier and pinion bearings are still in good condition and can be safely reused. This kit provides the necessary hardware to achieve a precise differential setup and correct gear pattern without the cost of a full master overhaul kit.

• Designed specifically for Dana Spicer 80 differentials with a 4.375" O.D. pinion bearing
• Includes high-quality pinion seal for a leak-free seal
• Complete shim kit for accurate pinion depth and backlash adjustments
• Includes gear marking compound and brush for pattern verification
• Ideal for late-model gear ratio changes
• Manufacturer Part Number: MK D80-B

Fits select 1966-2010 Chrysler, Dodge, Plymouth, and Mitsubishi vehicles with the 9.25" rear differential (5.9L).

The Yukon Gear Minor Install Kit is an ideal solution for ring and pinion gear changes where the existing bearings are in good condition and can be reused. This kit provides the specific hardware required to reset your gear pattern and seal the differential housing properly, making it a cost-effective alternative to a full master overhaul kit for newer or well-maintained axles.

Every component in the MK C9.25-R kit is selected for precise fitment and reliable service. The included shim kit allows for the fine-tuning of the ring and pinion relationship, ensuring a quiet mesh and optimal load distribution across the gear teeth.

• Compatible Differential: Chrysler 9.25" Rear
• Pinion Seal: High-quality replacement to prevent fluid leaks
• Crush Sleeve: New sleeve to properly set pinion bearing preload
• Complete Shim Kit: For accurate pinion depth and backlash adjustment
• Gear Marking Compound: Includes applicator brush for pattern verification
• Manufacturer Part Number: MK C9.25-R

Fits select 1970-2003 Buick, Cadillac, Chevrolet, and GMC vehicles with the GM 8.5-inch differential.

The Yukon Gear Carrier Installation Kit (CK GM8.5-HD) provides the essential components for a professional carrier swap or differential upgrade. This kit is specifically engineered for GM 8.5" differentials equipped with aftermarket positraction units, mechanical lockers, or air-operated lockers that require heavy-duty bearings. By providing high-quality bearings and a comprehensive shim kit, Yukon ensures proper carrier preload and backlash adjustment during installation.

• Designed for GM 8.5" differentials utilizing aftermarket Positraction
• Includes high-quality heavy-duty (HD) carrier bearings and races
• Includes "Super" carrier shim kit for precise backlash and preload adjustments
• Ideal for installing lockers or limited-slip differential upgrades
• Manufacturer Part Number: CK GM8.5-HD

Fits 2015-2020 Ford F-150 and Mustang models equipped with the Ford 8.8-inch rear differential.

The Yukon Gear Carrier Installation Kit is a cost-effective solution for technicians and enthusiasts performing carrier changes, such as installing a new Positraction unit or locker. This kit provides the high-quality essential components needed to properly set carrier bearing preload and backlash without the added expense of a full master overhaul kit.

This kit features the Yukon "super" carrier shim kit, allowing for more precise adjustments than standard shim packs, ensuring optimal gear patterning and longevity for your differential internals.

• Fits Ford 8.8" rear differential applications
• Includes high-quality carrier bearings and races
• Features Yukon "Super" carrier shim kit for precise setup
• Essential for locker or limited-slip differential upgrades
• Manufacturer Part Number: CK F8.8-SUPER