Billet Specialties Speedway 20x8.5 Gray Aluminum Wheel — 5x4.75 Bolt Pattern

SKU: BGSG_AC39021
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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

Elevate Your Performance with Billet Specialties Speedway Wheels

The Billet Specialties Speedway 20x8.5 wheel is engineered for enthusiasts who demand a perfect fusion of aggressive styling and precision engineering. Crafted from high-grade aluminum, this wheel offers a significant reduction in unsprung weight compared to factory options, leading to improved handling response and sharper acceleration. Its sophisticated gray finish provides a modern, clean aesthetic that complements both classic muscle cars and contemporary pro-touring builds.

Precision Fitment and Design

  • Size: 20 x 8.5 inches for a balanced, performance-oriented stance.
  • Bolt Pattern: 5 x 4.75 inches, ensuring compatibility with popular GM platforms.
  • Backspace: 5.50 inches, optimized for precise brake clearance and fender alignment.
  • Material: Lightweight, durable aluminum construction.

Whether you are upgrading your daily driver or finishing a high-end restoration, the Speedway series delivers the structural integrity required for high-performance driving. The 5.5-inch backspace is specifically calculated to provide an ideal offset, preventing rubbing while maximizing the footprint of your performance tires. This wheel is designed to withstand the rigors of the street while maintaining a show-quality appearance. Experience the difference in quality and craftsmanship with Billet Specialties at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Elevate Your Performance with Billet Specialties Speedway Wheels

The Billet Specialties Speedway 20x8.5 wheel is engineered for enthusiasts who demand a perfect fusion of aggressive styling and precision engineering. Crafted from high-grade aluminum, this wheel offers a significant reduction in unsprung weight compared to factory options, leading to improved handling response and sharper acceleration. Its sophisticated gray finish provides a modern, clean aesthetic that complements both classic muscle cars and contemporary pro-touring builds.

Precision Fitment and Design

  • Size: 20 x 8.5 inches for a balanced, performance-oriented stance.
  • Bolt Pattern: 5 x 4.75 inches, ensuring compatibility with popular GM platforms.
  • Backspace: 5.50 inches, optimized for precise brake clearance and fender alignment.
  • Material: Lightweight, durable aluminum construction.

Whether you are upgrading your daily driver or finishing a high-end restoration, the Speedway series delivers the structural integrity required for high-performance driving. The 5.5-inch backspace is specifically calculated to provide an ideal offset, preventing rubbing while maximizing the footprint of your performance tires. This wheel is designed to withstand the rigors of the street while maintaining a show-quality appearance. Experience the difference in quality and craftsmanship with Billet Specialties at GGCRACING.

Product Details

Product Description

Elevate Your Performance with Billet Specialties Speedway Wheels

The Billet Specialties Speedway 20x8.5 wheel is engineered for enthusiasts who demand a perfect fusion of aggressive styling and precision engineering. Crafted from high-grade aluminum, this wheel offers a significant reduction in unsprung weight compared to factory options, leading to improved handling response and sharper acceleration. Its sophisticated gray finish provides a modern, clean aesthetic that complements both classic muscle cars and contemporary pro-touring builds.

Precision Fitment and Design

  • Size: 20 x 8.5 inches for a balanced, performance-oriented stance.
  • Bolt Pattern: 5 x 4.75 inches, ensuring compatibility with popular GM platforms.
  • Backspace: 5.50 inches, optimized for precise brake clearance and fender alignment.
  • Material: Lightweight, durable aluminum construction.

Whether you are upgrading your daily driver or finishing a high-end restoration, the Speedway series delivers the structural integrity required for high-performance driving. The 5.5-inch backspace is specifically calculated to provide an ideal offset, preventing rubbing while maximizing the footprint of your performance tires. This wheel is designed to withstand the rigors of the street while maintaining a show-quality appearance. Experience the difference in quality and craftsmanship with Billet Specialties at GGCRACING.

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