Currie 9-Inch Third Member 3.89 Ratio 31-Spline — Ford 9-Inch Differential

SKU: DVPF_CE-9CT389S
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About Currie Currie engineers high-quality automotive parts and accessories trusted ...Read More

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Sale price$1,750.00
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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 Currie

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

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High-Performance Currie 9-Inch Third Member

Upgrade your drivetrain with the legendary reliability of a Currie 9-Inch Third Member. Engineered for enthusiasts who demand precision and strength, this unit features a 3.89 gear ratio, making it an ideal choice for a balance between acceleration and highway cruising. Built from high-strength nodular iron, this third member is designed to handle the stresses of high-horsepower applications while maintaining smooth, quiet operation.

Key Features and Benefits

  • Ratio: 3.890 for optimal performance
  • Spline Count: 31-Spline for increased durability
  • Material: Heavy-Duty Nodular Iron Housing
  • Finish: Natural Finish for easy inspection
  • Compatibility: Standard Ford 9-inch housings

The Currie 9-inch platform is the gold standard in the automotive aftermarket for a reason. By utilizing a 31-spline setup, this third member offers significantly increased torque capacity over stock components. Whether you are building a street rod, a drag car, or a high-performance cruiser, this unit provides the confidence you need to push your vehicle to the limit. Each unit is assembled with meticulous attention to detail to ensure proper gear mesh and long-lasting performance. Don't settle for stock when you can upgrade to the proven durability of Currie engineering. Enhance your vehicle's rear-end reliability and performance with this premium component available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Currie

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

Watch in action

High-Performance Currie 9-Inch Third Member

Upgrade your drivetrain with the legendary reliability of a Currie 9-Inch Third Member. Engineered for enthusiasts who demand precision and strength, this unit features a 3.89 gear ratio, making it an ideal choice for a balance between acceleration and highway cruising. Built from high-strength nodular iron, this third member is designed to handle the stresses of high-horsepower applications while maintaining smooth, quiet operation.

Key Features and Benefits

  • Ratio: 3.890 for optimal performance
  • Spline Count: 31-Spline for increased durability
  • Material: Heavy-Duty Nodular Iron Housing
  • Finish: Natural Finish for easy inspection
  • Compatibility: Standard Ford 9-inch housings

The Currie 9-inch platform is the gold standard in the automotive aftermarket for a reason. By utilizing a 31-spline setup, this third member offers significantly increased torque capacity over stock components. Whether you are building a street rod, a drag car, or a high-performance cruiser, this unit provides the confidence you need to push your vehicle to the limit. Each unit is assembled with meticulous attention to detail to ensure proper gear mesh and long-lasting performance. Don't settle for stock when you can upgrade to the proven durability of Currie engineering. Enhance your vehicle's rear-end reliability and performance with this premium component available at GGCRACING.

Product Details

Product Description

About Currie

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

Watch in action

High-Performance Currie 9-Inch Third Member

Upgrade your drivetrain with the legendary reliability of a Currie 9-Inch Third Member. Engineered for enthusiasts who demand precision and strength, this unit features a 3.89 gear ratio, making it an ideal choice for a balance between acceleration and highway cruising. Built from high-strength nodular iron, this third member is designed to handle the stresses of high-horsepower applications while maintaining smooth, quiet operation.

Key Features and Benefits

  • Ratio: 3.890 for optimal performance
  • Spline Count: 31-Spline for increased durability
  • Material: Heavy-Duty Nodular Iron Housing
  • Finish: Natural Finish for easy inspection
  • Compatibility: Standard Ford 9-inch housings

The Currie 9-inch platform is the gold standard in the automotive aftermarket for a reason. By utilizing a 31-spline setup, this third member offers significantly increased torque capacity over stock components. Whether you are building a street rod, a drag car, or a high-performance cruiser, this unit provides the confidence you need to push your vehicle to the limit. Each unit is assembled with meticulous attention to detail to ensure proper gear mesh and long-lasting performance. Don't settle for stock when you can upgrade to the proven durability of Currie engineering. Enhance your vehicle's rear-end reliability and performance with this premium component available at GGCRACING.

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