Yukon Gear Dura Grip Positraction for GM 8.5in & 8.6in 30 Spline Axles

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SKU: YUKYDGGM8.5-3-30-1
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Sale price$799.99 Regular price$879.00
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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

Yukon Gear Dura Grip Positraction for GM 8.5in & 8.6in Differentials (30 Spline)

Boost your vehicle's traction and performance with the Yukon Gear Dura Grip Positraction, engineered for GM 8.5-inch and 8.6-inch differentials featuring 30 spline axles. This advanced limited-slip differential provides a perfect balance of smooth engagement and powerful grip, ensuring optimal performance whether you're navigating challenging trails or cruising on the highway.

Robust Construction for Lasting Performance

The Dura Grip is meticulously constructed for exceptional durability and reliability. It boasts a high-strength nodular iron case, forged 4320 chromoly spider gears, and premium composite clutches designed for consistent operation. Its fully rebuildable design ensures long-term value and maintainability, making it an ideal upgrade for demanding applications.

Key Features:

  • Provides smooth and aggressive limited-slip traction
  • Heavy-duty nodular iron case
  • Forged 4320 chromoly spider gears for maximum strength
  • Durable composite clutches
  • Completely rebuildable for extended service life
  • Designed for GM 8.5in and 8.6in differentials with 30 spline axles

Vehicle Fitment:

This Yukon Dura Grip is suitable for a wide array of GM vehicles, including models like the Buick Electra, Buick Regal, Chevrolet Camaro, Chevrolet Caprice, Chevrolet Impala, Chevrolet C10/K10/K20 (including Suburbans and K5 Blazers), GMC C1500/K1500/K2500 (including Suburbans), and Pontiac Firebird from the early 1980s through the late 1980s. Always confirm compatibility with your specific vehicle's specifications.

Equip your vehicle with the confidence-inspiring traction of the Yukon Dura Grip Positraction, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 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
1999-2000 Cadillac Escalade Base
2002-2014 Cadillac Escalade Base
2008-2014 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2014 Cadillac Escalade Luxury
2011-2014 Cadillac Escalade Premium
2003-2014 Cadillac Escalade ESV Base
2008-2014 Cadillac Escalade ESV Platinum
2011-2014 Cadillac Escalade ESV Luxury
2011-2014 Cadillac Escalade ESV Premium
2002-2013 Cadillac Escalade EXT Base
2011-2013 Cadillac Escalade EXT Luxury
2011-2013 Cadillac Escalade EXT Premium
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2007-2012 Chevrolet Avalanche LS
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2004 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2005 Chevrolet Blazer Xtreme
2003-2005 Chevrolet Blazer ZR2
2005 Chevrolet Blazer Base
1980 Chevrolet C10 Big Ten
1980 Chevrolet C10 Custom Deluxe
1980-1981 Chevrolet C10 Cheyenne
1980-1986 Chevrolet C10 Scottsdale
1980-1986 Chevrolet C10 Silverado

…and 267 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

Yukon Gear Dura Grip Positraction for GM 8.5in & 8.6in Differentials (30 Spline)

Boost your vehicle's traction and performance with the Yukon Gear Dura Grip Positraction, engineered for GM 8.5-inch and 8.6-inch differentials featuring 30 spline axles. This advanced limited-slip differential provides a perfect balance of smooth engagement and powerful grip, ensuring optimal performance whether you're navigating challenging trails or cruising on the highway.

Robust Construction for Lasting Performance

The Dura Grip is meticulously constructed for exceptional durability and reliability. It boasts a high-strength nodular iron case, forged 4320 chromoly spider gears, and premium composite clutches designed for consistent operation. Its fully rebuildable design ensures long-term value and maintainability, making it an ideal upgrade for demanding applications.

Key Features:

  • Provides smooth and aggressive limited-slip traction
  • Heavy-duty nodular iron case
  • Forged 4320 chromoly spider gears for maximum strength
  • Durable composite clutches
  • Completely rebuildable for extended service life
  • Designed for GM 8.5in and 8.6in differentials with 30 spline axles

Vehicle Fitment:

This Yukon Dura Grip is suitable for a wide array of GM vehicles, including models like the Buick Electra, Buick Regal, Chevrolet Camaro, Chevrolet Caprice, Chevrolet Impala, Chevrolet C10/K10/K20 (including Suburbans and K5 Blazers), GMC C1500/K1500/K2500 (including Suburbans), and Pontiac Firebird from the early 1980s through the late 1980s. Always confirm compatibility with your specific vehicle's specifications.

Equip your vehicle with the confidence-inspiring traction of the Yukon Dura Grip Positraction, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 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
1999-2000 Cadillac Escalade Base
2002-2014 Cadillac Escalade Base
2008-2014 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2014 Cadillac Escalade Luxury
2011-2014 Cadillac Escalade Premium
2003-2014 Cadillac Escalade ESV Base
2008-2014 Cadillac Escalade ESV Platinum
2011-2014 Cadillac Escalade ESV Luxury
2011-2014 Cadillac Escalade ESV Premium
2002-2013 Cadillac Escalade EXT Base
2011-2013 Cadillac Escalade EXT Luxury
2011-2013 Cadillac Escalade EXT Premium
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2007-2012 Chevrolet Avalanche LS
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2004 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2005 Chevrolet Blazer Xtreme
2003-2005 Chevrolet Blazer ZR2
2005 Chevrolet Blazer Base
1980 Chevrolet C10 Big Ten
1980 Chevrolet C10 Custom Deluxe
1980-1981 Chevrolet C10 Cheyenne
1980-1986 Chevrolet C10 Scottsdale
1980-1986 Chevrolet C10 Silverado

…and 267 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

Yukon Gear Dura Grip Positraction for GM 8.5in & 8.6in Differentials (30 Spline)

Boost your vehicle's traction and performance with the Yukon Gear Dura Grip Positraction, engineered for GM 8.5-inch and 8.6-inch differentials featuring 30 spline axles. This advanced limited-slip differential provides a perfect balance of smooth engagement and powerful grip, ensuring optimal performance whether you're navigating challenging trails or cruising on the highway.

Robust Construction for Lasting Performance

The Dura Grip is meticulously constructed for exceptional durability and reliability. It boasts a high-strength nodular iron case, forged 4320 chromoly spider gears, and premium composite clutches designed for consistent operation. Its fully rebuildable design ensures long-term value and maintainability, making it an ideal upgrade for demanding applications.

Key Features:

  • Provides smooth and aggressive limited-slip traction
  • Heavy-duty nodular iron case
  • Forged 4320 chromoly spider gears for maximum strength
  • Durable composite clutches
  • Completely rebuildable for extended service life
  • Designed for GM 8.5in and 8.6in differentials with 30 spline axles

Vehicle Fitment:

This Yukon Dura Grip is suitable for a wide array of GM vehicles, including models like the Buick Electra, Buick Regal, Chevrolet Camaro, Chevrolet Caprice, Chevrolet Impala, Chevrolet C10/K10/K20 (including Suburbans and K5 Blazers), GMC C1500/K1500/K2500 (including Suburbans), and Pontiac Firebird from the early 1980s through the late 1980s. Always confirm compatibility with your specific vehicle's specifications.

Equip your vehicle with the confidence-inspiring traction of the Yukon Dura Grip Positraction, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 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
1999-2000 Cadillac Escalade Base
2002-2014 Cadillac Escalade Base
2008-2014 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2014 Cadillac Escalade Luxury
2011-2014 Cadillac Escalade Premium
2003-2014 Cadillac Escalade ESV Base
2008-2014 Cadillac Escalade ESV Platinum
2011-2014 Cadillac Escalade ESV Luxury
2011-2014 Cadillac Escalade ESV Premium
2002-2013 Cadillac Escalade EXT Base
2011-2013 Cadillac Escalade EXT Luxury
2011-2013 Cadillac Escalade EXT Premium
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2007-2012 Chevrolet Avalanche LS
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2004 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2005 Chevrolet Blazer Xtreme
2003-2005 Chevrolet Blazer ZR2
2005 Chevrolet Blazer Base
1980 Chevrolet C10 Big Ten
1980 Chevrolet C10 Custom Deluxe
1980-1981 Chevrolet C10 Cheyenne
1980-1986 Chevrolet C10 Scottsdale
1980-1986 Chevrolet C10 Silverado

…and 267 additional fitments. Contact us to confirm yours.

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