Yukon Gear High Performance Ring & Pinion Gear Set for GM 8.5"/8.6" - 4.56 Ratio

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SKU: YUKYG GM8.5-456
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Sale price$359.99 Regular price$392.00
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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 High Performance Ring & Pinion Set for GM 8.5" & 8.6" Differentials

Unleash the full potential of your GM vehicle with the Yukon Gear High Performance Ring & Pinion Set, designed for 8.5" and 8.6" differentials. This set features an aggressive 4.56 gear ratio, delivering exceptional acceleration and torque, making it the ultimate choice for extreme off-road applications, heavily modified vehicles, or those running very large tires. Yukon Gear & Axle is dedicated to providing top-tier drivetrain components, utilizing advanced engineering and stringent quality control. Each gear set is precision-machined from high-grade steel to withstand the most demanding conditions, ensuring reliable performance when you need it most.

Key Features and Benefits:

  • Extreme Acceleration Ratio: The 4.56 ratio offers maximum torque multiplication for unparalleled off-the-line performance.
  • Robust Steel Construction: Crafted from premium, high-strength steel to endure extreme stress and heavy loads.
  • Optimized Tooth Design: Features a surface finish engineered to reduce friction and dissipate heat effectively, enhancing durability.
  • Precision Fitment: Manufactured to OEM standards for seamless integration with GM 8.5" and 8.6" axle assemblies.
  • Performance Enthusiast Choice: Ideal for builders seeking maximum power delivery, especially with larger tire sizes or for specialized performance applications.
  • Yukon Reliability: Backed by a 1-year warranty against manufacturing defects, ensuring confidence in your purchase.

When your build demands the ultimate in acceleration and strength, this Yukon Gear set is the answer. Trust Yukon Gear & Axle for components that push the limits of performance. Get your high-performance gears at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1980-1985 Buick Electra Limited
1980-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
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
2002-2013 Cadillac Escalade Base
2008-2013 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2013 Cadillac Escalade Luxury
2011-2013 Cadillac Escalade Premium
2007-2012 Chevrolet Avalanche LS
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
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 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
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1980 Chevrolet C10 Suburban Custom Deluxe
1980 Chevrolet C10 Suburban Scottsdale
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
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS

…and 273 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 High Performance Ring & Pinion Set for GM 8.5" & 8.6" Differentials

Unleash the full potential of your GM vehicle with the Yukon Gear High Performance Ring & Pinion Set, designed for 8.5" and 8.6" differentials. This set features an aggressive 4.56 gear ratio, delivering exceptional acceleration and torque, making it the ultimate choice for extreme off-road applications, heavily modified vehicles, or those running very large tires. Yukon Gear & Axle is dedicated to providing top-tier drivetrain components, utilizing advanced engineering and stringent quality control. Each gear set is precision-machined from high-grade steel to withstand the most demanding conditions, ensuring reliable performance when you need it most.

Key Features and Benefits:

  • Extreme Acceleration Ratio: The 4.56 ratio offers maximum torque multiplication for unparalleled off-the-line performance.
  • Robust Steel Construction: Crafted from premium, high-strength steel to endure extreme stress and heavy loads.
  • Optimized Tooth Design: Features a surface finish engineered to reduce friction and dissipate heat effectively, enhancing durability.
  • Precision Fitment: Manufactured to OEM standards for seamless integration with GM 8.5" and 8.6" axle assemblies.
  • Performance Enthusiast Choice: Ideal for builders seeking maximum power delivery, especially with larger tire sizes or for specialized performance applications.
  • Yukon Reliability: Backed by a 1-year warranty against manufacturing defects, ensuring confidence in your purchase.

When your build demands the ultimate in acceleration and strength, this Yukon Gear set is the answer. Trust Yukon Gear & Axle for components that push the limits of performance. Get your high-performance gears at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1980-1985 Buick Electra Limited
1980-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
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
2002-2013 Cadillac Escalade Base
2008-2013 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2013 Cadillac Escalade Luxury
2011-2013 Cadillac Escalade Premium
2007-2012 Chevrolet Avalanche LS
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
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 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
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1980 Chevrolet C10 Suburban Custom Deluxe
1980 Chevrolet C10 Suburban Scottsdale
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
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS

…and 273 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 High Performance Ring & Pinion Set for GM 8.5" & 8.6" Differentials

Unleash the full potential of your GM vehicle with the Yukon Gear High Performance Ring & Pinion Set, designed for 8.5" and 8.6" differentials. This set features an aggressive 4.56 gear ratio, delivering exceptional acceleration and torque, making it the ultimate choice for extreme off-road applications, heavily modified vehicles, or those running very large tires. Yukon Gear & Axle is dedicated to providing top-tier drivetrain components, utilizing advanced engineering and stringent quality control. Each gear set is precision-machined from high-grade steel to withstand the most demanding conditions, ensuring reliable performance when you need it most.

Key Features and Benefits:

  • Extreme Acceleration Ratio: The 4.56 ratio offers maximum torque multiplication for unparalleled off-the-line performance.
  • Robust Steel Construction: Crafted from premium, high-strength steel to endure extreme stress and heavy loads.
  • Optimized Tooth Design: Features a surface finish engineered to reduce friction and dissipate heat effectively, enhancing durability.
  • Precision Fitment: Manufactured to OEM standards for seamless integration with GM 8.5" and 8.6" axle assemblies.
  • Performance Enthusiast Choice: Ideal for builders seeking maximum power delivery, especially with larger tire sizes or for specialized performance applications.
  • Yukon Reliability: Backed by a 1-year warranty against manufacturing defects, ensuring confidence in your purchase.

When your build demands the ultimate in acceleration and strength, this Yukon Gear set is the answer. Trust Yukon Gear & Axle for components that push the limits of performance. Get your high-performance gears at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1980-1985 Buick Electra Limited
1980-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
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
2002-2013 Cadillac Escalade Base
2008-2013 Cadillac Escalade Platinum
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2013 Cadillac Escalade Luxury
2011-2013 Cadillac Escalade Premium
2007-2012 Chevrolet Avalanche LS
2007-2012 Chevrolet Avalanche LT
2007-2012 Chevrolet Avalanche LTZ
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
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 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
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1980 Chevrolet C10 Suburban Custom Deluxe
1980 Chevrolet C10 Suburban Scottsdale
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
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS

…and 273 additional fitments. Contact us to confirm yours.

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