EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio — Fits GM 8.5/8.6 inch 10-Bolt

SKU: GGVJ_GM85373
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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 EXCEL from Richmond

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

Watch in action

Precision Drivetrain Engineering

Upgrade your GM 10-bolt differential with the reliable and high-performance EXCEL from Richmond 3.73 gear set. Designed to fit 8.5-inch and 8.6-inch rear ends, these gears are crafted to handle increased torque and provide consistent performance. If you are looking to sharpen your vehicle's response and improve your driving experience, this gear set is the perfect solution.

Technical Specifications

  • Ratio: 3.73
  • Pinion Spline: 30
  • Series: 3 Series Carrier
  • Compatibility: GM 8.5" / 8.6" 10-Bolt
  • Construction: Durable alloy steel

The 3.73 ratio is a versatile choice for enthusiasts who want a blend of aggressive acceleration and highway capability. By utilizing advanced manufacturing techniques, EXCEL from Richmond ensures that every gear set provides a precise fit, reducing noise and vibration during operation. This kit is built for durability, making it suitable for both daily driving and spirited weekend outings. Installation is straightforward for those familiar with differential work, and the result is a significantly improved feel in your vehicle's power delivery. When you choose these gears, you are choosing a product backed by a legacy of racing performance and engineering excellence. Enhance your vehicle's drivetrain today with quality parts from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About EXCEL from Richmond

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

Watch in action

Precision Drivetrain Engineering

Upgrade your GM 10-bolt differential with the reliable and high-performance EXCEL from Richmond 3.73 gear set. Designed to fit 8.5-inch and 8.6-inch rear ends, these gears are crafted to handle increased torque and provide consistent performance. If you are looking to sharpen your vehicle's response and improve your driving experience, this gear set is the perfect solution.

Technical Specifications

  • Ratio: 3.73
  • Pinion Spline: 30
  • Series: 3 Series Carrier
  • Compatibility: GM 8.5" / 8.6" 10-Bolt
  • Construction: Durable alloy steel

The 3.73 ratio is a versatile choice for enthusiasts who want a blend of aggressive acceleration and highway capability. By utilizing advanced manufacturing techniques, EXCEL from Richmond ensures that every gear set provides a precise fit, reducing noise and vibration during operation. This kit is built for durability, making it suitable for both daily driving and spirited weekend outings. Installation is straightforward for those familiar with differential work, and the result is a significantly improved feel in your vehicle's power delivery. When you choose these gears, you are choosing a product backed by a legacy of racing performance and engineering excellence. Enhance your vehicle's drivetrain today with quality parts from GGCRACING.

Product Details

Product Description

About EXCEL from Richmond

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

Watch in action

Precision Drivetrain Engineering

Upgrade your GM 10-bolt differential with the reliable and high-performance EXCEL from Richmond 3.73 gear set. Designed to fit 8.5-inch and 8.6-inch rear ends, these gears are crafted to handle increased torque and provide consistent performance. If you are looking to sharpen your vehicle's response and improve your driving experience, this gear set is the perfect solution.

Technical Specifications

  • Ratio: 3.73
  • Pinion Spline: 30
  • Series: 3 Series Carrier
  • Compatibility: GM 8.5" / 8.6" 10-Bolt
  • Construction: Durable alloy steel

The 3.73 ratio is a versatile choice for enthusiasts who want a blend of aggressive acceleration and highway capability. By utilizing advanced manufacturing techniques, EXCEL from Richmond ensures that every gear set provides a precise fit, reducing noise and vibration during operation. This kit is built for durability, making it suitable for both daily driving and spirited weekend outings. Installation is straightforward for those familiar with differential work, and the result is a significantly improved feel in your vehicle's power delivery. When you choose these gears, you are choosing a product backed by a legacy of racing performance and engineering excellence. Enhance your vehicle's drivetrain today with quality parts from GGCRACING.

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