Yukon Gear High Performance Ring & Pinion Set 3.73 Ratio for GM 12 Bolt Truck

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SKU: YUKYG GM12T-373T
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Sale price$399.99 Regular price$415.00
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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 - 3.73 Ratio for GM 12 Bolt Truck

Elevate your truck's drivetrain with the Yukon Gear High Performance Ring & Pinion Set, featuring a precise 3.73 ratio. Engineered for demanding applications, this set is designed to meet and exceed OEM specifications, ensuring superior reliability and performance. Yukon Gear & Axle is renowned for setting the standard in differential components, utilizing state-of-the-art design and rigorous testing processes. Each gear set is manufactured using high-grade steel, guaranteeing exceptional strength and longevity, even under high torque conditions.

Key Features & Benefits:

  • Optimized Gear Ratio: The 3.73 ratio provides an excellent balance between acceleration and highway cruising, making it ideal for a wide range of driving conditions.
  • Durable Construction: Crafted from high-grade steel with advanced tooth surface finishing to reduce friction and heat buildup, ensuring extended service life.
  • Precision Engineering: Designed and tested in-house to meet exacting quality standards for a perfect fit and smooth operation.
  • Enhanced Performance: Built to handle increased horsepower and larger tire sizes, allowing you to customize your truck for off-road adventures or heavy-duty tasks.
  • Reliable Operation: Yukon's commitment to quality ensures a quiet and smooth drivetrain operation.

This Yukon Gear set is specifically designed for GM 12 Bolt Truck differentials, offering a direct fit for numerous classic truck and SUV models. Whether you're rebuilding an older vehicle or upgrading for more power, this ring and pinion set is a crucial component for a robust and responsive drivetrain. Trust Yukon Gear & Axle for unparalleled quality and performance in your vehicle's final drive. Find this and other premium drivetrain parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 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 - 3.73 Ratio for GM 12 Bolt Truck

Elevate your truck's drivetrain with the Yukon Gear High Performance Ring & Pinion Set, featuring a precise 3.73 ratio. Engineered for demanding applications, this set is designed to meet and exceed OEM specifications, ensuring superior reliability and performance. Yukon Gear & Axle is renowned for setting the standard in differential components, utilizing state-of-the-art design and rigorous testing processes. Each gear set is manufactured using high-grade steel, guaranteeing exceptional strength and longevity, even under high torque conditions.

Key Features & Benefits:

  • Optimized Gear Ratio: The 3.73 ratio provides an excellent balance between acceleration and highway cruising, making it ideal for a wide range of driving conditions.
  • Durable Construction: Crafted from high-grade steel with advanced tooth surface finishing to reduce friction and heat buildup, ensuring extended service life.
  • Precision Engineering: Designed and tested in-house to meet exacting quality standards for a perfect fit and smooth operation.
  • Enhanced Performance: Built to handle increased horsepower and larger tire sizes, allowing you to customize your truck for off-road adventures or heavy-duty tasks.
  • Reliable Operation: Yukon's commitment to quality ensures a quiet and smooth drivetrain operation.

This Yukon Gear set is specifically designed for GM 12 Bolt Truck differentials, offering a direct fit for numerous classic truck and SUV models. Whether you're rebuilding an older vehicle or upgrading for more power, this ring and pinion set is a crucial component for a robust and responsive drivetrain. Trust Yukon Gear & Axle for unparalleled quality and performance in your vehicle's final drive. Find this and other premium drivetrain parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 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 - 3.73 Ratio for GM 12 Bolt Truck

Elevate your truck's drivetrain with the Yukon Gear High Performance Ring & Pinion Set, featuring a precise 3.73 ratio. Engineered for demanding applications, this set is designed to meet and exceed OEM specifications, ensuring superior reliability and performance. Yukon Gear & Axle is renowned for setting the standard in differential components, utilizing state-of-the-art design and rigorous testing processes. Each gear set is manufactured using high-grade steel, guaranteeing exceptional strength and longevity, even under high torque conditions.

Key Features & Benefits:

  • Optimized Gear Ratio: The 3.73 ratio provides an excellent balance between acceleration and highway cruising, making it ideal for a wide range of driving conditions.
  • Durable Construction: Crafted from high-grade steel with advanced tooth surface finishing to reduce friction and heat buildup, ensuring extended service life.
  • Precision Engineering: Designed and tested in-house to meet exacting quality standards for a perfect fit and smooth operation.
  • Enhanced Performance: Built to handle increased horsepower and larger tire sizes, allowing you to customize your truck for off-road adventures or heavy-duty tasks.
  • Reliable Operation: Yukon's commitment to quality ensures a quiet and smooth drivetrain operation.

This Yukon Gear set is specifically designed for GM 12 Bolt Truck differentials, offering a direct fit for numerous classic truck and SUV models. Whether you're rebuilding an older vehicle or upgrading for more power, this ring and pinion set is a crucial component for a robust and responsive drivetrain. Trust Yukon Gear & Axle for unparalleled quality and performance in your vehicle's final drive. Find this and other premium drivetrain parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 additional fitments. Contact us to confirm yours.

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