WELD Racing RT-S S81 Series 18x5 Front Runner — 5x4.5 Bolt Pattern 2.1 BS

SKU: HVGL_81HB8050A21A
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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 WELD Racing

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

Watch in action

WELD Racing RT-S S81 18x5 Front Runner

The WELD Racing RT-S S81 18x5 front runner is the ultimate choice for performance enthusiasts looking to improve steering precision and reduce front-end weight. Engineered for vehicles with a 5x4.5 bolt pattern, this wheel provides a sleek, narrow profile that is perfect for drag racing and performance street applications.

Specifications & Features

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x4.50 inches
  • Backspace: 2.100 inches
  • Material: Lightweight Aluminum
  • Finish: Black Anodized with Polished Accents
  • Pad Height: High Pad

Designed with a high-pad profile, this wheel offers excellent clearance for performance brake systems, ensuring you don't have to sacrifice stopping power for speed. The S81 series is renowned for its rigid construction, which translates to predictable handling and a more responsive steering feel. The striking two-tone finish—black anodized with polished accents—adds a touch of modern style to your vehicle's aesthetic. Whether you are setting up a dedicated drag car or a high-performance street cruiser, the 18x5 footprint is versatile enough to handle various tire compounds while maintaining the structural integrity WELD Racing is famous for. Experience the difference that precision engineering makes on your next build with top-tier components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About WELD Racing

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

Watch in action

WELD Racing RT-S S81 18x5 Front Runner

The WELD Racing RT-S S81 18x5 front runner is the ultimate choice for performance enthusiasts looking to improve steering precision and reduce front-end weight. Engineered for vehicles with a 5x4.5 bolt pattern, this wheel provides a sleek, narrow profile that is perfect for drag racing and performance street applications.

Specifications & Features

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x4.50 inches
  • Backspace: 2.100 inches
  • Material: Lightweight Aluminum
  • Finish: Black Anodized with Polished Accents
  • Pad Height: High Pad

Designed with a high-pad profile, this wheel offers excellent clearance for performance brake systems, ensuring you don't have to sacrifice stopping power for speed. The S81 series is renowned for its rigid construction, which translates to predictable handling and a more responsive steering feel. The striking two-tone finish—black anodized with polished accents—adds a touch of modern style to your vehicle's aesthetic. Whether you are setting up a dedicated drag car or a high-performance street cruiser, the 18x5 footprint is versatile enough to handle various tire compounds while maintaining the structural integrity WELD Racing is famous for. Experience the difference that precision engineering makes on your next build with top-tier components from GGCRACING.

Product Details

Product Description

About WELD Racing

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

Watch in action

WELD Racing RT-S S81 18x5 Front Runner

The WELD Racing RT-S S81 18x5 front runner is the ultimate choice for performance enthusiasts looking to improve steering precision and reduce front-end weight. Engineered for vehicles with a 5x4.5 bolt pattern, this wheel provides a sleek, narrow profile that is perfect for drag racing and performance street applications.

Specifications & Features

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x4.50 inches
  • Backspace: 2.100 inches
  • Material: Lightweight Aluminum
  • Finish: Black Anodized with Polished Accents
  • Pad Height: High Pad

Designed with a high-pad profile, this wheel offers excellent clearance for performance brake systems, ensuring you don't have to sacrifice stopping power for speed. The S81 series is renowned for its rigid construction, which translates to predictable handling and a more responsive steering feel. The striking two-tone finish—black anodized with polished accents—adds a touch of modern style to your vehicle's aesthetic. Whether you are setting up a dedicated drag car or a high-performance street cruiser, the 18x5 footprint is versatile enough to handle various tire compounds while maintaining the structural integrity WELD Racing is famous for. Experience the difference that precision engineering makes on your next build with top-tier components from GGCRACING.

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