EXCEL from Richmond Ring & Pinion Gear Set 3.08 Ratio — Fits GM 8.5/8.6 inch 10-Bolt

SKU: GGVJ_GM85308
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Sale price$356.99
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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

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 Upgrades

Experience superior reliability with the EXCEL from Richmond 3.08 ratio ring and pinion gear set. Engineered for the iconic GM 8.5/8.6-inch 10-bolt rear end, this gear set is designed to provide smooth power transfer and long-lasting durability for your street or strip vehicle. Whether you are performing a routine maintenance rebuild or a performance upgrade, these gears offer the precision machining required for quiet operation and optimal gear mesh.

Technical Specifications

  • Ratio: 3.08
  • Pinion Spline Count: 30
  • Carrier Series: 3 Series
  • Application: GM 8.5 inch / 8.6 inch 10-Bolt Axles
  • Material: High-strength alloy steel

This gear set is built to meet the rigorous demands of automotive enthusiasts who require consistency and strength. The 3.08 ratio is an excellent choice for highway cruising, offering improved fuel efficiency and reduced engine RPMs compared to shorter gear sets. Each kit is manufactured under strict quality control standards to ensure a perfect fitment and easy installation process for your GM differential. By choosing EXCEL from Richmond, you are investing in decades of drivetrain engineering expertise. Ensure your vehicle performs at its peak with premium components 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

High-Performance Drivetrain Upgrades

Experience superior reliability with the EXCEL from Richmond 3.08 ratio ring and pinion gear set. Engineered for the iconic GM 8.5/8.6-inch 10-bolt rear end, this gear set is designed to provide smooth power transfer and long-lasting durability for your street or strip vehicle. Whether you are performing a routine maintenance rebuild or a performance upgrade, these gears offer the precision machining required for quiet operation and optimal gear mesh.

Technical Specifications

  • Ratio: 3.08
  • Pinion Spline Count: 30
  • Carrier Series: 3 Series
  • Application: GM 8.5 inch / 8.6 inch 10-Bolt Axles
  • Material: High-strength alloy steel

This gear set is built to meet the rigorous demands of automotive enthusiasts who require consistency and strength. The 3.08 ratio is an excellent choice for highway cruising, offering improved fuel efficiency and reduced engine RPMs compared to shorter gear sets. Each kit is manufactured under strict quality control standards to ensure a perfect fitment and easy installation process for your GM differential. By choosing EXCEL from Richmond, you are investing in decades of drivetrain engineering expertise. Ensure your vehicle performs at its peak with premium components 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

High-Performance Drivetrain Upgrades

Experience superior reliability with the EXCEL from Richmond 3.08 ratio ring and pinion gear set. Engineered for the iconic GM 8.5/8.6-inch 10-bolt rear end, this gear set is designed to provide smooth power transfer and long-lasting durability for your street or strip vehicle. Whether you are performing a routine maintenance rebuild or a performance upgrade, these gears offer the precision machining required for quiet operation and optimal gear mesh.

Technical Specifications

  • Ratio: 3.08
  • Pinion Spline Count: 30
  • Carrier Series: 3 Series
  • Application: GM 8.5 inch / 8.6 inch 10-Bolt Axles
  • Material: High-strength alloy steel

This gear set is built to meet the rigorous demands of automotive enthusiasts who require consistency and strength. The 3.08 ratio is an excellent choice for highway cruising, offering improved fuel efficiency and reduced engine RPMs compared to shorter gear sets. Each kit is manufactured under strict quality control standards to ensure a perfect fitment and easy installation process for your GM differential. By choosing EXCEL from Richmond, you are investing in decades of drivetrain engineering expertise. Ensure your vehicle performs at its peak with premium components from GGCRACING.

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