Yukon Gear GM 8.5in Rear Differential Minor Install Kit — Fits 1970-1975 Buick, Chevrolet, Oldsmobile, Pontiac

SKU: YUKMK GM8.5

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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

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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.

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Yukon Gear GM 8.5" Rear Differential Minor Install Kit

Ensure a precise and reliable gear change with the Yukon Gear Minor Install Kit, specifically designed for GM 8.5-inch rear differentials. This kit offers a cost-effective solution for gear installations where existing bearings are in good condition and can be reused. Each component is manufactured to high standards, guaranteeing a smooth and accurate setup for your differential.

Key Components Included:

  • Pinion Seal: High-quality seal to prevent lubricant leaks.
  • Crush Sleeve: If applicable, ensures proper pinion bearing preload.
  • Shim Kit: Comprehensive set of shims for precise gear mesh adjustment.
  • Marking Compound & Brush: For accurate pattern checking of gear teeth.
  • Supershims: Included for enhanced adjustability and performance.

This kit is ideal for a wide range of vehicles, including Buick Apollo (1973-1975), Chevrolet Camaro (1970-1975), Chevrolet El Camino (1971-1974), Chevrolet Impala (1971-1974), Oldsmobile Cutlass (1973-1974), and Pontiac Firebird (1970-1974), among others. By using this kit, you ensure that your differential is set up correctly, leading to quieter operation and longer component life.

Trust Yukon Gear & Axle for all your drivetrain needs. Get your differential back in top shape with this essential installation kit, available now at GGCRACING.

…and 293 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 GM 8.5" Rear Differential Minor Install Kit

Ensure a precise and reliable gear change with the Yukon Gear Minor Install Kit, specifically designed for GM 8.5-inch rear differentials. This kit offers a cost-effective solution for gear installations where existing bearings are in good condition and can be reused. Each component is manufactured to high standards, guaranteeing a smooth and accurate setup for your differential.

Key Components Included:

  • Pinion Seal: High-quality seal to prevent lubricant leaks.
  • Crush Sleeve: If applicable, ensures proper pinion bearing preload.
  • Shim Kit: Comprehensive set of shims for precise gear mesh adjustment.
  • Marking Compound & Brush: For accurate pattern checking of gear teeth.
  • Supershims: Included for enhanced adjustability and performance.

This kit is ideal for a wide range of vehicles, including Buick Apollo (1973-1975), Chevrolet Camaro (1970-1975), Chevrolet El Camino (1971-1974), Chevrolet Impala (1971-1974), Oldsmobile Cutlass (1973-1974), and Pontiac Firebird (1970-1974), among others. By using this kit, you ensure that your differential is set up correctly, leading to quieter operation and longer component life.

Trust Yukon Gear & Axle for all your drivetrain needs. Get your differential back in top shape with this essential installation kit, available now at GGCRACING.

…and 293 additional fitments. Contact us to confirm yours.

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