Yukon Gear High Performance Thick Ring & Pinion Gear Set for GM 14 Bolt Truck Axle - 4.88 Ratio

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SKU: YUKYG GM14T-488T
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Sale price$421.99 Regular price$463.00
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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 Thick Ring & Pinion Gear Set - GM 14 Bolt Truck Axle, 4.88 Ratio

Unleash maximum torque and power with the Yukon Gear High Performance Thick Ring & Pinion Gear Set, engineered for the robust GM 14-bolt truck axle. This set features an aggressive 4.88 gear ratio, making it the perfect choice for trucks equipped with larger tires or those frequently carrying heavy loads, towing, or venturing off-road. The 'thick' gear design enhances pinion support and strength under extreme stress.

Built for Extreme Performance

Yukon Gear & Axle consistently delivers top-tier drivetrain components. This ring and pinion set benefits from advanced design principles and rigorous quality control, ensuring exceptional performance and longevity. Constructed from high-grade steel with a specialized tooth surface finish, these gears are designed to minimize friction and heat, even under the most demanding conditions.

Key Features:

  • Axle Fitment: Designed for GM 14-bolt truck axles.
  • Gear Ratio: 4.88 ratio significantly increases torque multiplication.
  • Thick Gear Design: Provides increased pinion strength and durability for heavy-duty applications.
  • Material: Premium high-grade steel for superior strength and wear resistance.
  • Optimized Surface: Engineered tooth finish reduces heat and friction for extended gear life.
  • OEM Fitment: Precision manufactured to ensure a perfect fit and easy installation.

This Yukon Gear set is the ultimate upgrade for serious truck enthusiasts who demand the best in performance and reliability. Whether you're building a dedicated off-road rig or a heavy-duty hauler, the 4.88 thick gears will provide the necessary grunt. Trust Yukon Gear for unparalleled quality and performance. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2004 Chevrolet Avalanche 2500 Base
2005-2006 Chevrolet Avalanche 2500 LS
2005-2006 Chevrolet Avalanche 2500 LT
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1973-1974 Chevrolet C20 Suburban Base
1975-1977 Chevrolet C20 Suburban Silverado
1975-1980 Chevrolet C20 Suburban Custom Deluxe
1975-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1999 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LT
1995-1999 Chevrolet C2500 Suburban LS
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 LS
1996-2015 Chevrolet Express 2500 Base
1996-2015 Chevrolet Express 2500 LS
2006-2015 Chevrolet Express 2500 LT
1996-2015 Chevrolet Express 3500 Base
1996-2015 Chevrolet Express 3500 LS
2006-2015 Chevrolet Express 3500 LT
1975-1995 Chevrolet G20 Chevy Van
1975-1995 Chevrolet G20 Sportvan
1975-1995 Chevrolet G20 Beauville
1978-1981 Chevrolet G20 Nomad
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan

…and 237 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 Thick Ring & Pinion Gear Set - GM 14 Bolt Truck Axle, 4.88 Ratio

Unleash maximum torque and power with the Yukon Gear High Performance Thick Ring & Pinion Gear Set, engineered for the robust GM 14-bolt truck axle. This set features an aggressive 4.88 gear ratio, making it the perfect choice for trucks equipped with larger tires or those frequently carrying heavy loads, towing, or venturing off-road. The 'thick' gear design enhances pinion support and strength under extreme stress.

Built for Extreme Performance

Yukon Gear & Axle consistently delivers top-tier drivetrain components. This ring and pinion set benefits from advanced design principles and rigorous quality control, ensuring exceptional performance and longevity. Constructed from high-grade steel with a specialized tooth surface finish, these gears are designed to minimize friction and heat, even under the most demanding conditions.

Key Features:

  • Axle Fitment: Designed for GM 14-bolt truck axles.
  • Gear Ratio: 4.88 ratio significantly increases torque multiplication.
  • Thick Gear Design: Provides increased pinion strength and durability for heavy-duty applications.
  • Material: Premium high-grade steel for superior strength and wear resistance.
  • Optimized Surface: Engineered tooth finish reduces heat and friction for extended gear life.
  • OEM Fitment: Precision manufactured to ensure a perfect fit and easy installation.

This Yukon Gear set is the ultimate upgrade for serious truck enthusiasts who demand the best in performance and reliability. Whether you're building a dedicated off-road rig or a heavy-duty hauler, the 4.88 thick gears will provide the necessary grunt. Trust Yukon Gear for unparalleled quality and performance. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2004 Chevrolet Avalanche 2500 Base
2005-2006 Chevrolet Avalanche 2500 LS
2005-2006 Chevrolet Avalanche 2500 LT
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1973-1974 Chevrolet C20 Suburban Base
1975-1977 Chevrolet C20 Suburban Silverado
1975-1980 Chevrolet C20 Suburban Custom Deluxe
1975-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1999 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LT
1995-1999 Chevrolet C2500 Suburban LS
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 LS
1996-2015 Chevrolet Express 2500 Base
1996-2015 Chevrolet Express 2500 LS
2006-2015 Chevrolet Express 2500 LT
1996-2015 Chevrolet Express 3500 Base
1996-2015 Chevrolet Express 3500 LS
2006-2015 Chevrolet Express 3500 LT
1975-1995 Chevrolet G20 Chevy Van
1975-1995 Chevrolet G20 Sportvan
1975-1995 Chevrolet G20 Beauville
1978-1981 Chevrolet G20 Nomad
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan

…and 237 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 Thick Ring & Pinion Gear Set - GM 14 Bolt Truck Axle, 4.88 Ratio

Unleash maximum torque and power with the Yukon Gear High Performance Thick Ring & Pinion Gear Set, engineered for the robust GM 14-bolt truck axle. This set features an aggressive 4.88 gear ratio, making it the perfect choice for trucks equipped with larger tires or those frequently carrying heavy loads, towing, or venturing off-road. The 'thick' gear design enhances pinion support and strength under extreme stress.

Built for Extreme Performance

Yukon Gear & Axle consistently delivers top-tier drivetrain components. This ring and pinion set benefits from advanced design principles and rigorous quality control, ensuring exceptional performance and longevity. Constructed from high-grade steel with a specialized tooth surface finish, these gears are designed to minimize friction and heat, even under the most demanding conditions.

Key Features:

  • Axle Fitment: Designed for GM 14-bolt truck axles.
  • Gear Ratio: 4.88 ratio significantly increases torque multiplication.
  • Thick Gear Design: Provides increased pinion strength and durability for heavy-duty applications.
  • Material: Premium high-grade steel for superior strength and wear resistance.
  • Optimized Surface: Engineered tooth finish reduces heat and friction for extended gear life.
  • OEM Fitment: Precision manufactured to ensure a perfect fit and easy installation.

This Yukon Gear set is the ultimate upgrade for serious truck enthusiasts who demand the best in performance and reliability. Whether you're building a dedicated off-road rig or a heavy-duty hauler, the 4.88 thick gears will provide the necessary grunt. Trust Yukon Gear for unparalleled quality and performance. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2004 Chevrolet Avalanche 2500 Base
2005-2006 Chevrolet Avalanche 2500 LS
2005-2006 Chevrolet Avalanche 2500 LT
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1973-1974 Chevrolet C20 Suburban Base
1975-1977 Chevrolet C20 Suburban Silverado
1975-1980 Chevrolet C20 Suburban Custom Deluxe
1975-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1999 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LT
1995-1999 Chevrolet C2500 Suburban LS
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 Base
1999-2000 Chevrolet C3500 LS
1996-2015 Chevrolet Express 2500 Base
1996-2015 Chevrolet Express 2500 LS
2006-2015 Chevrolet Express 2500 LT
1996-2015 Chevrolet Express 3500 Base
1996-2015 Chevrolet Express 3500 LS
2006-2015 Chevrolet Express 3500 LT
1975-1995 Chevrolet G20 Chevy Van
1975-1995 Chevrolet G20 Sportvan
1975-1995 Chevrolet G20 Beauville
1978-1981 Chevrolet G20 Nomad
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan

…and 237 additional fitments. Contact us to confirm yours.

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