Yukon Gear Dura Grip Positraction for GM 8.5in 28 Spline Axles

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SKU: YUKYDGGM8.5-3-28-1
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Sale price$799.99 Regular price$873.00
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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.

Yukon Gear Dura Grip Positraction for GM 8.5in Differentials (28 Spline)

Experience superior traction and performance with the Yukon Gear Dura Grip Positraction, specifically designed for GM 8.5-inch differentials with 28 spline axles. This limited-slip differential offers a seamless blend of smooth operation and aggressive grip, ensuring you have the confidence to tackle any terrain, from daily driving to off-road adventures.

Engineered for Durability and Performance

The Dura Grip is built to last, featuring a robust nodular iron case, forged 4320 chromoly spider gears, and high-quality composite clutches. Its design prioritizes longevity and is completely rebuildable, making it a cost-effective solution for enhanced drivetrain performance. Whether you're looking to improve off-road capability, towing stability, or just want a more responsive feel on the street, the Dura Grip delivers.

Key Features:

  • Smooth yet aggressive limited-slip action
  • Durable nodular iron case construction
  • Forged 4320 chromoly spider gears for strength
  • Composite clutches for consistent performance
  • Completely rebuildable design
  • Engineered for GM 8.5-inch differentials with 28 spline axles

Vehicle Fitment:

This Yukon Dura Grip is compatible with a wide range of GM vehicles, including various models of Chevrolet Camaro, Pontiac Firebird, Oldsmobile Cutlass, Buick Skylark, Chevrolet Caprice, Chevrolet El Camino, Chevrolet Impala, Chevrolet Monte Carlo, and Chevrolet K10 from the 1970s and early 1980s. Please verify specific fitment for your year, make, and model.

Upgrade your vehicle's traction capabilities with the reliable and high-performing Yukon Dura Grip Positraction from 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
1975-1989 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1989 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
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 Base
1970-1972 Buick Skylark Custom
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
1970-1975 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 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1977-1980 Chevrolet C10 Suburban Scottsdale
1977-1980 Chevrolet C10 Suburban Silverado
1977-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1990 Chevrolet C1500 Cheyenne
1988-1990 Chevrolet C1500 Scottsdale

…and 278 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.

Yukon Gear Dura Grip Positraction for GM 8.5in Differentials (28 Spline)

Experience superior traction and performance with the Yukon Gear Dura Grip Positraction, specifically designed for GM 8.5-inch differentials with 28 spline axles. This limited-slip differential offers a seamless blend of smooth operation and aggressive grip, ensuring you have the confidence to tackle any terrain, from daily driving to off-road adventures.

Engineered for Durability and Performance

The Dura Grip is built to last, featuring a robust nodular iron case, forged 4320 chromoly spider gears, and high-quality composite clutches. Its design prioritizes longevity and is completely rebuildable, making it a cost-effective solution for enhanced drivetrain performance. Whether you're looking to improve off-road capability, towing stability, or just want a more responsive feel on the street, the Dura Grip delivers.

Key Features:

  • Smooth yet aggressive limited-slip action
  • Durable nodular iron case construction
  • Forged 4320 chromoly spider gears for strength
  • Composite clutches for consistent performance
  • Completely rebuildable design
  • Engineered for GM 8.5-inch differentials with 28 spline axles

Vehicle Fitment:

This Yukon Dura Grip is compatible with a wide range of GM vehicles, including various models of Chevrolet Camaro, Pontiac Firebird, Oldsmobile Cutlass, Buick Skylark, Chevrolet Caprice, Chevrolet El Camino, Chevrolet Impala, Chevrolet Monte Carlo, and Chevrolet K10 from the 1970s and early 1980s. Please verify specific fitment for your year, make, and model.

Upgrade your vehicle's traction capabilities with the reliable and high-performing Yukon Dura Grip Positraction from 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
1975-1989 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1989 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
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 Base
1970-1972 Buick Skylark Custom
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
1970-1975 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 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1977-1980 Chevrolet C10 Suburban Scottsdale
1977-1980 Chevrolet C10 Suburban Silverado
1977-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1990 Chevrolet C1500 Cheyenne
1988-1990 Chevrolet C1500 Scottsdale

…and 278 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.

Yukon Gear Dura Grip Positraction for GM 8.5in Differentials (28 Spline)

Experience superior traction and performance with the Yukon Gear Dura Grip Positraction, specifically designed for GM 8.5-inch differentials with 28 spline axles. This limited-slip differential offers a seamless blend of smooth operation and aggressive grip, ensuring you have the confidence to tackle any terrain, from daily driving to off-road adventures.

Engineered for Durability and Performance

The Dura Grip is built to last, featuring a robust nodular iron case, forged 4320 chromoly spider gears, and high-quality composite clutches. Its design prioritizes longevity and is completely rebuildable, making it a cost-effective solution for enhanced drivetrain performance. Whether you're looking to improve off-road capability, towing stability, or just want a more responsive feel on the street, the Dura Grip delivers.

Key Features:

  • Smooth yet aggressive limited-slip action
  • Durable nodular iron case construction
  • Forged 4320 chromoly spider gears for strength
  • Composite clutches for consistent performance
  • Completely rebuildable design
  • Engineered for GM 8.5-inch differentials with 28 spline axles

Vehicle Fitment:

This Yukon Dura Grip is compatible with a wide range of GM vehicles, including various models of Chevrolet Camaro, Pontiac Firebird, Oldsmobile Cutlass, Buick Skylark, Chevrolet Caprice, Chevrolet El Camino, Chevrolet Impala, Chevrolet Monte Carlo, and Chevrolet K10 from the 1970s and early 1980s. Please verify specific fitment for your year, make, and model.

Upgrade your vehicle's traction capabilities with the reliable and high-performing Yukon Dura Grip Positraction from 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
1975-1989 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1989 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
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 Base
1970-1972 Buick Skylark Custom
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
1970-1975 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 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1977-1980 Chevrolet C10 Suburban Scottsdale
1977-1980 Chevrolet C10 Suburban Silverado
1977-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1990 Chevrolet C1500 Cheyenne
1988-1990 Chevrolet C1500 Scottsdale

…and 278 additional fitments. Contact us to confirm yours.

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