Yukon Gear Duragrip Posi Differential — Fits 1963-1979 Corvette

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SKU: YUKYDGGMVET-3-17-1
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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.

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Yukon Gear Duragrip Posi Differential for Classic Corvettes

Enhance your classic Chevrolet Corvette's performance with the Yukon Gear Duragrip Posi differential. Engineered for models from 1963 to 1979, this limited-slip differential provides a perfect blend of smooth operation and aggressive traction, ensuring you have the confidence to tackle various driving conditions. Whether you're navigating winding roads or enjoying spirited drives, the Duragrip Posi delivers reliable power to both rear wheels.

Key Features and Benefits:

  • Optimized Traction: The Duragrip Posi system offers superior limited-slip action, distributing power effectively to maximize grip and prevent wheel spin.
  • Durable Construction: Built with a high-strength nodular case, forged 4320 chromoly spider gears, and robust composite clutches, this differential is designed for longevity and resilience.
  • Smooth Engagement: Experience seamless engagement that doesn't compromise comfort, providing a refined driving experience.
  • Rebuildable Design: For extended service life, the Duragrip Posi is fully rebuildable, ensuring your investment continues to perform for years to come.
  • Specific Fitment: Precisely designed for 1963-1979 Chevrolet Corvettes, including specific submodels like the Base, Indianapolis 500 Pace Car, Silver Anniversary Edition, and Stingray. It's compatible with axle ratios from 2.73 to 3.90 and 17-spline axles.

This Yukon Gear Duragrip Posi differential is the ultimate choice for Corvette owners seeking enhanced performance, durability, and strength. Elevate your driving experience with this high-quality drivetrain upgrade.

Discover the difference Yukon Gear & Axle makes. Shop GGCRACING for your performance needs.

Vehicle Fitment

Years Make Model Trim
1963-1974 Chevrolet Corvette Base
1975-1976 Chevrolet Corvette Stingray
1977-1979 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition

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 Duragrip Posi Differential for Classic Corvettes

Enhance your classic Chevrolet Corvette's performance with the Yukon Gear Duragrip Posi differential. Engineered for models from 1963 to 1979, this limited-slip differential provides a perfect blend of smooth operation and aggressive traction, ensuring you have the confidence to tackle various driving conditions. Whether you're navigating winding roads or enjoying spirited drives, the Duragrip Posi delivers reliable power to both rear wheels.

Key Features and Benefits:

  • Optimized Traction: The Duragrip Posi system offers superior limited-slip action, distributing power effectively to maximize grip and prevent wheel spin.
  • Durable Construction: Built with a high-strength nodular case, forged 4320 chromoly spider gears, and robust composite clutches, this differential is designed for longevity and resilience.
  • Smooth Engagement: Experience seamless engagement that doesn't compromise comfort, providing a refined driving experience.
  • Rebuildable Design: For extended service life, the Duragrip Posi is fully rebuildable, ensuring your investment continues to perform for years to come.
  • Specific Fitment: Precisely designed for 1963-1979 Chevrolet Corvettes, including specific submodels like the Base, Indianapolis 500 Pace Car, Silver Anniversary Edition, and Stingray. It's compatible with axle ratios from 2.73 to 3.90 and 17-spline axles.

This Yukon Gear Duragrip Posi differential is the ultimate choice for Corvette owners seeking enhanced performance, durability, and strength. Elevate your driving experience with this high-quality drivetrain upgrade.

Discover the difference Yukon Gear & Axle makes. Shop GGCRACING for your performance needs.

Vehicle Fitment

Years Make Model Trim
1963-1974 Chevrolet Corvette Base
1975-1976 Chevrolet Corvette Stingray
1977-1979 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition

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 Duragrip Posi Differential for Classic Corvettes

Enhance your classic Chevrolet Corvette's performance with the Yukon Gear Duragrip Posi differential. Engineered for models from 1963 to 1979, this limited-slip differential provides a perfect blend of smooth operation and aggressive traction, ensuring you have the confidence to tackle various driving conditions. Whether you're navigating winding roads or enjoying spirited drives, the Duragrip Posi delivers reliable power to both rear wheels.

Key Features and Benefits:

  • Optimized Traction: The Duragrip Posi system offers superior limited-slip action, distributing power effectively to maximize grip and prevent wheel spin.
  • Durable Construction: Built with a high-strength nodular case, forged 4320 chromoly spider gears, and robust composite clutches, this differential is designed for longevity and resilience.
  • Smooth Engagement: Experience seamless engagement that doesn't compromise comfort, providing a refined driving experience.
  • Rebuildable Design: For extended service life, the Duragrip Posi is fully rebuildable, ensuring your investment continues to perform for years to come.
  • Specific Fitment: Precisely designed for 1963-1979 Chevrolet Corvettes, including specific submodels like the Base, Indianapolis 500 Pace Car, Silver Anniversary Edition, and Stingray. It's compatible with axle ratios from 2.73 to 3.90 and 17-spline axles.

This Yukon Gear Duragrip Posi differential is the ultimate choice for Corvette owners seeking enhanced performance, durability, and strength. Elevate your driving experience with this high-quality drivetrain upgrade.

Discover the difference Yukon Gear & Axle makes. Shop GGCRACING for your performance needs.

Vehicle Fitment

Years Make Model Trim
1963-1974 Chevrolet Corvette Base
1975-1976 Chevrolet Corvette Stingray
1977-1979 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition

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