Yukon Gear Master Overhaul Kit for GM 8.5in Diff w/ Aftermarket Positraction — Fits 1970-1976

SKU: YUKYK GM8.5-HD

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Sale price$348.21
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Master Overhaul Kit for GM 8.5in Differentials with Aftermarket Positraction

Upgrade your differential rebuild with the Yukon Gear Master Overhaul Kit, specifically designed for GM 8.5-inch differentials utilizing aftermarket positraction units. This kit ensures compatibility and provides the high-quality components needed for a robust and reliable installation, perfect for performance-oriented builds.

Optimized for Performance Differentials

This specialized kit is engineered to work seamlessly with popular aftermarket positraction units, including Yukon Dura Grip, Eaton Posi, ValueTrac, True Trac, Pro-Series Auburn, and Detroit Locker. It's also suitable for standard carriers with large bearing journals, offering versatility for various setups.

Premium Components Included

Yukon Gear & Axle delivers exceptional quality with this Master Overhaul Kit, featuring:

  • High-performance Timken bearings and races for superior durability under stress.
  • All essential small parts, seals, and gaskets for a complete and professional installation.
  • Carrier bearings and races
  • Pinion bearings and races
  • Pinion seal
  • Complete shim kit for precise gear setup
  • Ring gear bolts
  • Pinion nut
  • Crush sleeve (if applicable)
  • Oil baffles and slingers (if applicable)
  • Thread locking compound
  • Marking compound with brush for accurate gear pattern analysis

Extensive Vehicle Compatibility

This kit is designed for GM 8.5-inch differentials found in a wide range of vehicles from 1970 to 1976, including Chevrolet Camaro, Nova, El Camino, Impala, Caprice, Oldsmobile Cutlass, Buick Regal, and Skylark models. Ensure your performance differential is rebuilt with the best parts available.

Trust Yukon Gear & Axle for the most comprehensive overhaul kits. Get the parts you need for your performance build at GGCRACING.

…and 289 additional fitments. Contact us to confirm yours.

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Master Overhaul Kit for GM 8.5in Differentials with Aftermarket Positraction

Upgrade your differential rebuild with the Yukon Gear Master Overhaul Kit, specifically designed for GM 8.5-inch differentials utilizing aftermarket positraction units. This kit ensures compatibility and provides the high-quality components needed for a robust and reliable installation, perfect for performance-oriented builds.

Optimized for Performance Differentials

This specialized kit is engineered to work seamlessly with popular aftermarket positraction units, including Yukon Dura Grip, Eaton Posi, ValueTrac, True Trac, Pro-Series Auburn, and Detroit Locker. It's also suitable for standard carriers with large bearing journals, offering versatility for various setups.

Premium Components Included

Yukon Gear & Axle delivers exceptional quality with this Master Overhaul Kit, featuring:

  • High-performance Timken bearings and races for superior durability under stress.
  • All essential small parts, seals, and gaskets for a complete and professional installation.
  • Carrier bearings and races
  • Pinion bearings and races
  • Pinion seal
  • Complete shim kit for precise gear setup
  • Ring gear bolts
  • Pinion nut
  • Crush sleeve (if applicable)
  • Oil baffles and slingers (if applicable)
  • Thread locking compound
  • Marking compound with brush for accurate gear pattern analysis

Extensive Vehicle Compatibility

This kit is designed for GM 8.5-inch differentials found in a wide range of vehicles from 1970 to 1976, including Chevrolet Camaro, Nova, El Camino, Impala, Caprice, Oldsmobile Cutlass, Buick Regal, and Skylark models. Ensure your performance differential is rebuilt with the best parts available.

Trust Yukon Gear & Axle for the most comprehensive overhaul kits. Get the parts you need for your performance build at GGCRACING.

…and 289 additional fitments. Contact us to confirm yours.

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