Strange Engineering Pro Spool 31-Spline Lightweight Steel — Fits Ford 9in

SKU: BJHW_D1553
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Sale price$203.99
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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 Strange Engineering

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

Watch in action

Maximum Drivetrain Efficiency

Unlock the full potential of your Ford 9-inch rear end with the Strange Engineering Pro Spool. Designed for the serious racer, this lightweight steel spool eliminates differential action to ensure both rear wheels receive equal torque. This is critical for maintaining straight-line stability and maximizing traction during hard launches at the drag strip.

Why Choose a Strange Pro Spool?

  • 31-spline design for high-torque applications
  • Lightweight steel construction to reduce rotating mass
  • Full-size design for maximum durability
  • Engineered for Ford 9-inch rear end housings
  • Provides consistent, predictable launches

By locking the axles together, the Strange Pro Spool removes the weak points associated with traditional limited-slip or open differentials in high-horsepower applications. The lightweight steel construction helps decrease the vehicle's rotating mass, which can lead to improved acceleration and better overall drivetrain efficiency. This spool is a staple in the racing community, known for its ability to withstand the extreme shock loads of high-RPM launches. If you are serious about your drag racing performance, upgrading to a Strange Engineering spool is a necessary step to ensure your drivetrain can handle the power. Get the best components for your Ford 9-inch setup at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Strange Engineering

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

Watch in action

Maximum Drivetrain Efficiency

Unlock the full potential of your Ford 9-inch rear end with the Strange Engineering Pro Spool. Designed for the serious racer, this lightweight steel spool eliminates differential action to ensure both rear wheels receive equal torque. This is critical for maintaining straight-line stability and maximizing traction during hard launches at the drag strip.

Why Choose a Strange Pro Spool?

  • 31-spline design for high-torque applications
  • Lightweight steel construction to reduce rotating mass
  • Full-size design for maximum durability
  • Engineered for Ford 9-inch rear end housings
  • Provides consistent, predictable launches

By locking the axles together, the Strange Pro Spool removes the weak points associated with traditional limited-slip or open differentials in high-horsepower applications. The lightweight steel construction helps decrease the vehicle's rotating mass, which can lead to improved acceleration and better overall drivetrain efficiency. This spool is a staple in the racing community, known for its ability to withstand the extreme shock loads of high-RPM launches. If you are serious about your drag racing performance, upgrading to a Strange Engineering spool is a necessary step to ensure your drivetrain can handle the power. Get the best components for your Ford 9-inch setup at GGCRACING.

Product Details

Product Description

About Strange Engineering

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

Watch in action

Maximum Drivetrain Efficiency

Unlock the full potential of your Ford 9-inch rear end with the Strange Engineering Pro Spool. Designed for the serious racer, this lightweight steel spool eliminates differential action to ensure both rear wheels receive equal torque. This is critical for maintaining straight-line stability and maximizing traction during hard launches at the drag strip.

Why Choose a Strange Pro Spool?

  • 31-spline design for high-torque applications
  • Lightweight steel construction to reduce rotating mass
  • Full-size design for maximum durability
  • Engineered for Ford 9-inch rear end housings
  • Provides consistent, predictable launches

By locking the axles together, the Strange Pro Spool removes the weak points associated with traditional limited-slip or open differentials in high-horsepower applications. The lightweight steel construction helps decrease the vehicle's rotating mass, which can lead to improved acceleration and better overall drivetrain efficiency. This spool is a staple in the racing community, known for its ability to withstand the extreme shock loads of high-RPM launches. If you are serious about your drag racing performance, upgrading to a Strange Engineering spool is a necessary step to ensure your drivetrain can handle the power. Get the best components for your Ford 9-inch setup at GGCRACING.

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