SCS Gears 623-PRO Quick Change Gear Set 6 Spline — Professional Steel Gears

SKU: BJHK_623-PRO
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About SCS Gears SCS Gears engineers high-quality automotive parts and ...Read More

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Sale price$178.99
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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 SCS Gears

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

High-Performance Gearing: SCS Gears 623-PRO

The SCS Gears 623-PRO Quick Change Gear Set is built for racers who prioritize precision and reliability. Designed for 6-spline quick change differentials, this gear set is manufactured from high-strength steel to withstand the intense pressures of professional competition. With specific ratios tailored for 4.11 and 4.33 ring and pinions, the 623-PRO allows you to dial in your car's performance for any track surface.

Key Features

  • Part Number: 623-PRO
  • Spline Count: 6 Spline
  • Material: Professional-Grade Hardened Steel
  • 4.11 Ratio Output: 2.99 / 5.65
  • 4.33 Ratio Output: 3.15 / 5.95
  • Reliability: Engineered for High-Torque Applications

When every millisecond counts, having the right gear set is crucial. The 623-PRO offers exceptional tooth strength and wear resistance, ensuring that your drivetrain performs consistently throughout the entire race event. The 6-spline design allows for rapid gear changes, giving your crew the ability to adapt to changing track conditions on the fly. By choosing SCS Gears, you are equipping your vehicle with components that have been tested and proven in the most challenging racing environments. Invest in your success with the durability and precision of the 623-PRO gear set. For all your professional racing drivetrain needs, you can rely on the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About SCS Gears

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

High-Performance Gearing: SCS Gears 623-PRO

The SCS Gears 623-PRO Quick Change Gear Set is built for racers who prioritize precision and reliability. Designed for 6-spline quick change differentials, this gear set is manufactured from high-strength steel to withstand the intense pressures of professional competition. With specific ratios tailored for 4.11 and 4.33 ring and pinions, the 623-PRO allows you to dial in your car's performance for any track surface.

Key Features

  • Part Number: 623-PRO
  • Spline Count: 6 Spline
  • Material: Professional-Grade Hardened Steel
  • 4.11 Ratio Output: 2.99 / 5.65
  • 4.33 Ratio Output: 3.15 / 5.95
  • Reliability: Engineered for High-Torque Applications

When every millisecond counts, having the right gear set is crucial. The 623-PRO offers exceptional tooth strength and wear resistance, ensuring that your drivetrain performs consistently throughout the entire race event. The 6-spline design allows for rapid gear changes, giving your crew the ability to adapt to changing track conditions on the fly. By choosing SCS Gears, you are equipping your vehicle with components that have been tested and proven in the most challenging racing environments. Invest in your success with the durability and precision of the 623-PRO gear set. For all your professional racing drivetrain needs, you can rely on the experts at GGCRACING.

Product Details

Product Description

About SCS Gears

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

High-Performance Gearing: SCS Gears 623-PRO

The SCS Gears 623-PRO Quick Change Gear Set is built for racers who prioritize precision and reliability. Designed for 6-spline quick change differentials, this gear set is manufactured from high-strength steel to withstand the intense pressures of professional competition. With specific ratios tailored for 4.11 and 4.33 ring and pinions, the 623-PRO allows you to dial in your car's performance for any track surface.

Key Features

  • Part Number: 623-PRO
  • Spline Count: 6 Spline
  • Material: Professional-Grade Hardened Steel
  • 4.11 Ratio Output: 2.99 / 5.65
  • 4.33 Ratio Output: 3.15 / 5.95
  • Reliability: Engineered for High-Torque Applications

When every millisecond counts, having the right gear set is crucial. The 623-PRO offers exceptional tooth strength and wear resistance, ensuring that your drivetrain performs consistently throughout the entire race event. The 6-spline design allows for rapid gear changes, giving your crew the ability to adapt to changing track conditions on the fly. By choosing SCS Gears, you are equipping your vehicle with components that have been tested and proven in the most challenging racing environments. Invest in your success with the durability and precision of the 623-PRO gear set. For all your professional racing drivetrain needs, you can rely on the experts at GGCRACING.

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