Performance Engineering 9in Full Spool 6.50 Ratio 31 Spline Differential Center Section — Ford 9in Rear End

SKU: GSDD_CSFS65031
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Precision-Engineered Ford 9in Differential SpoolOptimize your vehicle's launch and acceleration ...Read More

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Sale price$718.99
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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

Precision-Engineered Ford 9in Differential Spool

Optimize your vehicle's launch and acceleration with the Performance Engineering 9in Full Spool Center Section, featuring a 6.50 gear ratio. Designed specifically for the iconic Ford 9in rear end, this unit is the ultimate choice for racers who demand consistent, locked-in traction. The full spool design ensures that both axles are locked together, providing equal power distribution to both rear tires, which is essential for straight-line performance and drag strip dominance.

Technical Features and Benefits

  • Gear Ratio: 6.50
  • Spline Count: 31-Spline
  • Construction: Durable Steel Spool
  • Fitment: Ford 9in Housing
  • Assembly: Pre-Assembled for Ease of Install
  • Finish: Natural Steel

Built to withstand extreme torque, this 31-spline spool is manufactured to exact tolerances to minimize friction and prevent premature wear. The 6.50 ratio is ideal for specific track setups requiring high mechanical advantage. By utilizing this pre-assembled center section, you reduce the complexity of your drivetrain build, allowing for a quicker turnaround between races. The natural finish highlights the high-quality steel construction, reflecting the durability expected from professional-grade racing equipment. Trust in the precision of Performance Engineering to keep your car moving forward with authority. For the best selection of racing drivetrain components, visit GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision-Engineered Ford 9in Differential Spool

Optimize your vehicle's launch and acceleration with the Performance Engineering 9in Full Spool Center Section, featuring a 6.50 gear ratio. Designed specifically for the iconic Ford 9in rear end, this unit is the ultimate choice for racers who demand consistent, locked-in traction. The full spool design ensures that both axles are locked together, providing equal power distribution to both rear tires, which is essential for straight-line performance and drag strip dominance.

Technical Features and Benefits

  • Gear Ratio: 6.50
  • Spline Count: 31-Spline
  • Construction: Durable Steel Spool
  • Fitment: Ford 9in Housing
  • Assembly: Pre-Assembled for Ease of Install
  • Finish: Natural Steel

Built to withstand extreme torque, this 31-spline spool is manufactured to exact tolerances to minimize friction and prevent premature wear. The 6.50 ratio is ideal for specific track setups requiring high mechanical advantage. By utilizing this pre-assembled center section, you reduce the complexity of your drivetrain build, allowing for a quicker turnaround between races. The natural finish highlights the high-quality steel construction, reflecting the durability expected from professional-grade racing equipment. Trust in the precision of Performance Engineering to keep your car moving forward with authority. For the best selection of racing drivetrain components, visit GGCRACING.

Product Details

Product Description

Precision-Engineered Ford 9in Differential Spool

Optimize your vehicle's launch and acceleration with the Performance Engineering 9in Full Spool Center Section, featuring a 6.50 gear ratio. Designed specifically for the iconic Ford 9in rear end, this unit is the ultimate choice for racers who demand consistent, locked-in traction. The full spool design ensures that both axles are locked together, providing equal power distribution to both rear tires, which is essential for straight-line performance and drag strip dominance.

Technical Features and Benefits

  • Gear Ratio: 6.50
  • Spline Count: 31-Spline
  • Construction: Durable Steel Spool
  • Fitment: Ford 9in Housing
  • Assembly: Pre-Assembled for Ease of Install
  • Finish: Natural Steel

Built to withstand extreme torque, this 31-spline spool is manufactured to exact tolerances to minimize friction and prevent premature wear. The 6.50 ratio is ideal for specific track setups requiring high mechanical advantage. By utilizing this pre-assembled center section, you reduce the complexity of your drivetrain build, allowing for a quicker turnaround between races. The natural finish highlights the high-quality steel construction, reflecting the durability expected from professional-grade racing equipment. Trust in the precision of Performance Engineering to keep your car moving forward with authority. For the best selection of racing drivetrain components, visit GGCRACING.

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