EXCEL from Richmond Ring & Pinion Gear Set 3.55 Ratio — Fits GM 12-Bolt 8.875in Rear Ends

SKU: GGVJ_12BC355
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About EXCEL from Richmond EXCEL from Richmond engineers high-quality automotive ...Read More

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Sale price$239.99
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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

Optimized Acceleration and Performance

Take control of your vehicle's performance with the EXCEL from Richmond 3.55 ratio ring and pinion gear set. Designed specifically for the GM 12-bolt rear end with an 8.875-inch ring gear, this gear set is a fantastic upgrade for enthusiasts who want a noticeable boost in acceleration without sacrificing too much highway driveability. Richmond’s EXCEL series is engineered for those who demand reliability and performance in every gear change.

Technical Specifications

  • Gear Ratio: 3.55
  • Application: GM 12-Bolt 8.875" Rear Ends
  • Pinion Spline Count: 30 Spline
  • Series: 3 Series Carrier
  • Construction: Precision-machined alloy steel

These gears are built to withstand the rigors of performance driving, utilizing high-quality materials to ensure long-term durability. The 30-spline pinion provides a secure fit, while the 3.55 ratio offers a great mid-range performance boost. Proper installation is key; we strongly advise having these gears installed by a professional to ensure the correct backlash and contact pattern are achieved. This ensures quiet operation and prevents premature wear. Whether you are restoring a classic muscle car or building a high-performance street machine, this gear set is a dependable choice. Experience the difference in quality and performance with drivetrain solutions 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

Optimized Acceleration and Performance

Take control of your vehicle's performance with the EXCEL from Richmond 3.55 ratio ring and pinion gear set. Designed specifically for the GM 12-bolt rear end with an 8.875-inch ring gear, this gear set is a fantastic upgrade for enthusiasts who want a noticeable boost in acceleration without sacrificing too much highway driveability. Richmond’s EXCEL series is engineered for those who demand reliability and performance in every gear change.

Technical Specifications

  • Gear Ratio: 3.55
  • Application: GM 12-Bolt 8.875" Rear Ends
  • Pinion Spline Count: 30 Spline
  • Series: 3 Series Carrier
  • Construction: Precision-machined alloy steel

These gears are built to withstand the rigors of performance driving, utilizing high-quality materials to ensure long-term durability. The 30-spline pinion provides a secure fit, while the 3.55 ratio offers a great mid-range performance boost. Proper installation is key; we strongly advise having these gears installed by a professional to ensure the correct backlash and contact pattern are achieved. This ensures quiet operation and prevents premature wear. Whether you are restoring a classic muscle car or building a high-performance street machine, this gear set is a dependable choice. Experience the difference in quality and performance with drivetrain solutions 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

Optimized Acceleration and Performance

Take control of your vehicle's performance with the EXCEL from Richmond 3.55 ratio ring and pinion gear set. Designed specifically for the GM 12-bolt rear end with an 8.875-inch ring gear, this gear set is a fantastic upgrade for enthusiasts who want a noticeable boost in acceleration without sacrificing too much highway driveability. Richmond’s EXCEL series is engineered for those who demand reliability and performance in every gear change.

Technical Specifications

  • Gear Ratio: 3.55
  • Application: GM 12-Bolt 8.875" Rear Ends
  • Pinion Spline Count: 30 Spline
  • Series: 3 Series Carrier
  • Construction: Precision-machined alloy steel

These gears are built to withstand the rigors of performance driving, utilizing high-quality materials to ensure long-term durability. The 30-spline pinion provides a secure fit, while the 3.55 ratio offers a great mid-range performance boost. Proper installation is key; we strongly advise having these gears installed by a professional to ensure the correct backlash and contact pattern are achieved. This ensures quiet operation and prevents premature wear. Whether you are restoring a classic muscle car or building a high-performance street machine, this gear set is a dependable choice. Experience the difference in quality and performance with drivetrain solutions from GGCRACING.

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