Yukon Gear 3.73 Ring & Pinion Gear Set GM 10-Bolt — Fits 8.5/8.6 Inch Differential

SKU: FDHC_YG GM8.5-373
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Sale price$459.89
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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 and Axle

Yukon Gear and Axle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Yukon Gear and Axle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GM 8.5/8.6 10-Bolt Ring & Pinion Upgrade

Transform the performance of your GM vehicle with the Yukon Gear 3.73 Ring & Pinion set. Specifically engineered for the popular GM 8.5-inch and 8.6-inch 10-bolt rear differentials, this gear set provides the perfect balance of torque and top-end speed. Whether you are towing heavy loads or looking for better throttle response on the street, this 3.73 ratio is a proven favorite among GM enthusiasts.

Technical Specifications

  • Compatibility: Fits GM 8.5" and 8.6" 10-bolt rear ends.
  • Durability: High-strength alloy construction for long-lasting wear resistance.
  • 30-Spline Pinion: Designed for robust power delivery and ease of installation.
  • Precision Machined: Ensures a perfect fit and quiet operation in your differential housing.

Yukon Gear and Axle is synonymous with drivetrain excellence. This ring and pinion set is manufactured using state-of-the-art processes to ensure that every tooth is cut to exact specifications, reducing heat and wear. When paired with a quality installation kit, this gear set provides a smooth, reliable driving experience that stands up to the rigors of daily use and occasional track duty. Don't let a worn-out differential hold your vehicle back; upgrade to Yukon quality today. Explore the full range of drivetrain components available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear and Axle

Yukon Gear and Axle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Yukon Gear and Axle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GM 8.5/8.6 10-Bolt Ring & Pinion Upgrade

Transform the performance of your GM vehicle with the Yukon Gear 3.73 Ring & Pinion set. Specifically engineered for the popular GM 8.5-inch and 8.6-inch 10-bolt rear differentials, this gear set provides the perfect balance of torque and top-end speed. Whether you are towing heavy loads or looking for better throttle response on the street, this 3.73 ratio is a proven favorite among GM enthusiasts.

Technical Specifications

  • Compatibility: Fits GM 8.5" and 8.6" 10-bolt rear ends.
  • Durability: High-strength alloy construction for long-lasting wear resistance.
  • 30-Spline Pinion: Designed for robust power delivery and ease of installation.
  • Precision Machined: Ensures a perfect fit and quiet operation in your differential housing.

Yukon Gear and Axle is synonymous with drivetrain excellence. This ring and pinion set is manufactured using state-of-the-art processes to ensure that every tooth is cut to exact specifications, reducing heat and wear. When paired with a quality installation kit, this gear set provides a smooth, reliable driving experience that stands up to the rigors of daily use and occasional track duty. Don't let a worn-out differential hold your vehicle back; upgrade to Yukon quality today. Explore the full range of drivetrain components available at GGCRACING.

Product Details

Product Description

About Yukon Gear and Axle

Yukon Gear and Axle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Yukon Gear and Axle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GM 8.5/8.6 10-Bolt Ring & Pinion Upgrade

Transform the performance of your GM vehicle with the Yukon Gear 3.73 Ring & Pinion set. Specifically engineered for the popular GM 8.5-inch and 8.6-inch 10-bolt rear differentials, this gear set provides the perfect balance of torque and top-end speed. Whether you are towing heavy loads or looking for better throttle response on the street, this 3.73 ratio is a proven favorite among GM enthusiasts.

Technical Specifications

  • Compatibility: Fits GM 8.5" and 8.6" 10-bolt rear ends.
  • Durability: High-strength alloy construction for long-lasting wear resistance.
  • 30-Spline Pinion: Designed for robust power delivery and ease of installation.
  • Precision Machined: Ensures a perfect fit and quiet operation in your differential housing.

Yukon Gear and Axle is synonymous with drivetrain excellence. This ring and pinion set is manufactured using state-of-the-art processes to ensure that every tooth is cut to exact specifications, reducing heat and wear. When paired with a quality installation kit, this gear set provides a smooth, reliable driving experience that stands up to the rigors of daily use and occasional track duty. Don't let a worn-out differential hold your vehicle back; upgrade to Yukon quality today. Explore the full range of drivetrain components available at GGCRACING.

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