EXCEL from Richmond

EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio 4-Series — Fits GM 12-Bolt Rear End

EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio 4-Series — Fits GM 12-Bolt Rear End
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EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio 4-Series — Fits GM 12-Bolt Rear End
EXCEL from Richmond

EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio 4-Series — Fits GM 12-Bolt Rear End

SKU: GGVJ_12BC373
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About EXCEL from Richmond EXCEL from Richmond engineers high-quality automotive ...Read More

Price:
$601.99
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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
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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

High-Performance Drivetrain Upgrade

Unlock superior acceleration and reliable power transfer with the EXCEL from Richmond 3.73 Ring & Pinion Gear Set. Engineered specifically for the iconic GM 12-Bolt rear end, this gear set is the ideal choice for enthusiasts looking to optimize their vehicle's drivetrain performance. Whether you are building a street machine or a track-ready vehicle, these gears provide the precision and durability required for demanding applications.

Technical Specifications & Benefits

  • Gear Ratio: 3.73 for a perfect balance of torque and highway cruising.
  • Pinion Spline: 30-spline design for enhanced strength and compatibility.
  • Series: 4-Series thin gear configuration.
  • Ring Gear Diameter: 8.875 inches.
  • Precision Manufacturing: High-grade steel construction ensures long-lasting wear resistance and quiet operation under load.

This kit is designed to provide a direct fit for GM 12-Bolt housings, simplifying the installation process while ensuring optimal gear mesh. By upgrading your differential components, you reduce drivetrain slop and improve overall vehicle responsiveness. At GGCRACING, we provide the high-quality drivetrain components you need to push your vehicle to the next level.

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

High-Performance Drivetrain Upgrade

Unlock superior acceleration and reliable power transfer with the EXCEL from Richmond 3.73 Ring & Pinion Gear Set. Engineered specifically for the iconic GM 12-Bolt rear end, this gear set is the ideal choice for enthusiasts looking to optimize their vehicle's drivetrain performance. Whether you are building a street machine or a track-ready vehicle, these gears provide the precision and durability required for demanding applications.

Technical Specifications & Benefits

  • Gear Ratio: 3.73 for a perfect balance of torque and highway cruising.
  • Pinion Spline: 30-spline design for enhanced strength and compatibility.
  • Series: 4-Series thin gear configuration.
  • Ring Gear Diameter: 8.875 inches.
  • Precision Manufacturing: High-grade steel construction ensures long-lasting wear resistance and quiet operation under load.

This kit is designed to provide a direct fit for GM 12-Bolt housings, simplifying the installation process while ensuring optimal gear mesh. By upgrading your differential components, you reduce drivetrain slop and improve overall vehicle responsiveness. At GGCRACING, we provide the high-quality drivetrain components you need to push your vehicle to the next level.

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

High-Performance Drivetrain Upgrade

Unlock superior acceleration and reliable power transfer with the EXCEL from Richmond 3.73 Ring & Pinion Gear Set. Engineered specifically for the iconic GM 12-Bolt rear end, this gear set is the ideal choice for enthusiasts looking to optimize their vehicle's drivetrain performance. Whether you are building a street machine or a track-ready vehicle, these gears provide the precision and durability required for demanding applications.

Technical Specifications & Benefits

  • Gear Ratio: 3.73 for a perfect balance of torque and highway cruising.
  • Pinion Spline: 30-spline design for enhanced strength and compatibility.
  • Series: 4-Series thin gear configuration.
  • Ring Gear Diameter: 8.875 inches.
  • Precision Manufacturing: High-grade steel construction ensures long-lasting wear resistance and quiet operation under load.

This kit is designed to provide a direct fit for GM 12-Bolt housings, simplifying the installation process while ensuring optimal gear mesh. By upgrading your differential components, you reduce drivetrain slop and improve overall vehicle responsiveness. At GGCRACING, we provide the high-quality drivetrain components you need to push your vehicle to the next level.

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