Mark Williams SFI 42.1 Quick Release Hub — Fits Sparco/Momo 6-Hole

SKU: BJFM_10050
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SFI Certified Steering SafetySafety is the top priority in any ...Read More

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Sale price$169.99
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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

SFI Certified Steering Safety

Safety is the top priority in any racing series, and the Mark Williams SFI 42.1 Quick Release Hub delivers the certification and reliability you need. Designed specifically for 6-bolt steering wheels like Sparco and Momo, this hub offers a secure, wobble-free connection that meets stringent SFI safety standards for competitive motorsport.

Precision Engineering

  • Certification: SFI 42.1 approved for racing
  • Compatibility: Fits 6-bolt Sparco and Momo steering wheels
  • Material: Lightweight, high-strength aluminum
  • Finish: Black anodized for durability
  • Design: Quick release for fast driver changes

This hub is not just about safety; it is about performance. The precision-machined aluminum construction keeps weight to a minimum while providing maximum rigidity. The quick-release function allows for lightning-fast steering wheel removal, which is essential for driver safety during emergency exits or driver swaps in endurance racing. The black anodized finish ensures that your steering setup looks as good as it performs, resisting scratches and oxidation over time. When you choose Mark Williams, you are choosing decades of engineering excellence in the racing industry. Ensure your steering system meets the highest safety requirements by installing this SFI-certified hub. Explore our full range of steering wheel quick disconnects and accessories at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

SFI Certified Steering Safety

Safety is the top priority in any racing series, and the Mark Williams SFI 42.1 Quick Release Hub delivers the certification and reliability you need. Designed specifically for 6-bolt steering wheels like Sparco and Momo, this hub offers a secure, wobble-free connection that meets stringent SFI safety standards for competitive motorsport.

Precision Engineering

  • Certification: SFI 42.1 approved for racing
  • Compatibility: Fits 6-bolt Sparco and Momo steering wheels
  • Material: Lightweight, high-strength aluminum
  • Finish: Black anodized for durability
  • Design: Quick release for fast driver changes

This hub is not just about safety; it is about performance. The precision-machined aluminum construction keeps weight to a minimum while providing maximum rigidity. The quick-release function allows for lightning-fast steering wheel removal, which is essential for driver safety during emergency exits or driver swaps in endurance racing. The black anodized finish ensures that your steering setup looks as good as it performs, resisting scratches and oxidation over time. When you choose Mark Williams, you are choosing decades of engineering excellence in the racing industry. Ensure your steering system meets the highest safety requirements by installing this SFI-certified hub. Explore our full range of steering wheel quick disconnects and accessories at GGCRACING.

Product Details

Product Description

SFI Certified Steering Safety

Safety is the top priority in any racing series, and the Mark Williams SFI 42.1 Quick Release Hub delivers the certification and reliability you need. Designed specifically for 6-bolt steering wheels like Sparco and Momo, this hub offers a secure, wobble-free connection that meets stringent SFI safety standards for competitive motorsport.

Precision Engineering

  • Certification: SFI 42.1 approved for racing
  • Compatibility: Fits 6-bolt Sparco and Momo steering wheels
  • Material: Lightweight, high-strength aluminum
  • Finish: Black anodized for durability
  • Design: Quick release for fast driver changes

This hub is not just about safety; it is about performance. The precision-machined aluminum construction keeps weight to a minimum while providing maximum rigidity. The quick-release function allows for lightning-fast steering wheel removal, which is essential for driver safety during emergency exits or driver swaps in endurance racing. The black anodized finish ensures that your steering setup looks as good as it performs, resisting scratches and oxidation over time. When you choose Mark Williams, you are choosing decades of engineering excellence in the racing industry. Ensure your steering system meets the highest safety requirements by installing this SFI-certified hub. Explore our full range of steering wheel quick disconnects and accessories at GGCRACING.

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