Yukon Gear & Axle USA Standard Master Overhaul Kit for GM 8.5in Differential

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SKU: YUKZK GM8.5
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Sale price$173.99 Regular price$181.00
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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

USA Standard Master Overhaul Kit for GM 8.5-inch Differentials

Keep your GM vehicle's drivetrain running smoothly with the USA Standard Master Overhaul Kit from Yukon Gear & Axle. This comprehensive kit is specifically designed for the widely used GM 8.5-inch differential, providing all the essential, high-quality installation components. Whether you're performing a routine service or a full differential rebuild, this kit ensures a professional and durable result.

Reliable Components for Your Drivetrain

  • Premium Quality Bearings: Features top-grade Koyo/Timken bearings and races for enhanced durability and smooth operation.
  • Complete Small Parts Package: Includes all necessary seals, gaskets, and small hardware for a hassle-free installation.
  • Application-Specific Design: Precisely engineered for the GM 8.5-inch axle to guarantee a perfect fit and optimal performance.
  • Comprehensive Coverage: USA Standard Gear ensures every kit contains all the parts required for your specific differential application.

This master overhaul kit is suitable for a broad range of GM vehicles, including Chevrolet Camaros, Novas, Impalas, El Caminos, and Caprices, as well as Oldsmobile Cutlass and Buick Skylark/Regal models from the 1970s through the late 1970s. It's the ideal choice for enthusiasts and mechanics seeking dependable parts for their classic or performance GM vehicles. Trust Yukon Gear & Axle for your differential needs.

Restore your differential's performance. Get your USA Standard Master Overhaul Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1971-1974 Buick Electra 225
1971-1974 Buick Electra 225 Custom
1973 Buick Electra Base
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975 Buick Riviera GS
1975-1978 Buick Riviera Base
1976 Buick Riviera Sport
1976 Buick Riviera SR
1978 Buick Riviera LXXV Anniversary Edition
1970 Buick Skylark 350
1970-1972 Buick Skylark Custom
1970-1972 Buick Skylark Base
1972 Buick Skylark 350
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1999-2000 Cadillac Escalade Base
1970-1972 Chevrolet Bel Air Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1979-1980 Chevrolet C10 Custom Deluxe
1979-1980 Chevrolet C10 Big Ten
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Custom Deluxe
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne

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

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

USA Standard Master Overhaul Kit for GM 8.5-inch Differentials

Keep your GM vehicle's drivetrain running smoothly with the USA Standard Master Overhaul Kit from Yukon Gear & Axle. This comprehensive kit is specifically designed for the widely used GM 8.5-inch differential, providing all the essential, high-quality installation components. Whether you're performing a routine service or a full differential rebuild, this kit ensures a professional and durable result.

Reliable Components for Your Drivetrain

  • Premium Quality Bearings: Features top-grade Koyo/Timken bearings and races for enhanced durability and smooth operation.
  • Complete Small Parts Package: Includes all necessary seals, gaskets, and small hardware for a hassle-free installation.
  • Application-Specific Design: Precisely engineered for the GM 8.5-inch axle to guarantee a perfect fit and optimal performance.
  • Comprehensive Coverage: USA Standard Gear ensures every kit contains all the parts required for your specific differential application.

This master overhaul kit is suitable for a broad range of GM vehicles, including Chevrolet Camaros, Novas, Impalas, El Caminos, and Caprices, as well as Oldsmobile Cutlass and Buick Skylark/Regal models from the 1970s through the late 1970s. It's the ideal choice for enthusiasts and mechanics seeking dependable parts for their classic or performance GM vehicles. Trust Yukon Gear & Axle for your differential needs.

Restore your differential's performance. Get your USA Standard Master Overhaul Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1971-1974 Buick Electra 225
1971-1974 Buick Electra 225 Custom
1973 Buick Electra Base
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975 Buick Riviera GS
1975-1978 Buick Riviera Base
1976 Buick Riviera Sport
1976 Buick Riviera SR
1978 Buick Riviera LXXV Anniversary Edition
1970 Buick Skylark 350
1970-1972 Buick Skylark Custom
1970-1972 Buick Skylark Base
1972 Buick Skylark 350
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1999-2000 Cadillac Escalade Base
1970-1972 Chevrolet Bel Air Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1979-1980 Chevrolet C10 Custom Deluxe
1979-1980 Chevrolet C10 Big Ten
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Custom Deluxe
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne

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

Product Details

Product Description

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

USA Standard Master Overhaul Kit for GM 8.5-inch Differentials

Keep your GM vehicle's drivetrain running smoothly with the USA Standard Master Overhaul Kit from Yukon Gear & Axle. This comprehensive kit is specifically designed for the widely used GM 8.5-inch differential, providing all the essential, high-quality installation components. Whether you're performing a routine service or a full differential rebuild, this kit ensures a professional and durable result.

Reliable Components for Your Drivetrain

  • Premium Quality Bearings: Features top-grade Koyo/Timken bearings and races for enhanced durability and smooth operation.
  • Complete Small Parts Package: Includes all necessary seals, gaskets, and small hardware for a hassle-free installation.
  • Application-Specific Design: Precisely engineered for the GM 8.5-inch axle to guarantee a perfect fit and optimal performance.
  • Comprehensive Coverage: USA Standard Gear ensures every kit contains all the parts required for your specific differential application.

This master overhaul kit is suitable for a broad range of GM vehicles, including Chevrolet Camaros, Novas, Impalas, El Caminos, and Caprices, as well as Oldsmobile Cutlass and Buick Skylark/Regal models from the 1970s through the late 1970s. It's the ideal choice for enthusiasts and mechanics seeking dependable parts for their classic or performance GM vehicles. Trust Yukon Gear & Axle for your differential needs.

Restore your differential's performance. Get your USA Standard Master Overhaul Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1971-1974 Buick Electra 225
1971-1974 Buick Electra 225 Custom
1973 Buick Electra Base
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975 Buick Riviera GS
1975-1978 Buick Riviera Base
1976 Buick Riviera Sport
1976 Buick Riviera SR
1978 Buick Riviera LXXV Anniversary Edition
1970 Buick Skylark 350
1970-1972 Buick Skylark Custom
1970-1972 Buick Skylark Base
1972 Buick Skylark 350
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1999-2000 Cadillac Escalade Base
1970-1972 Chevrolet Bel Air Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1979-1980 Chevrolet C10 Custom Deluxe
1979-1980 Chevrolet C10 Big Ten
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Custom Deluxe
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne

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

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