UB Machine 15 Series Tubular Upper A-Arm 8.5in Bolt-In — Fits 1971-81 GM F-Body

SKU: BJZP_15-0822
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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 UB Machine

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

High-Performance 15 Series Upper A-Arm for GM F-Body

Transform the handling of your 1971-1981 GM F-Body with the UB Machine 15 Series Tubular Upper A-Arm. This 8.5-inch control arm is specifically designed for enthusiasts who demand better suspension geometry and increased durability compared to factory components. Featuring a bolt-in ball joint design, this arm is built to handle the demands of both street and track driving.

Performance Features

  • Optimized Length: 8.5-inch design tailored for the specific geometry of the 1971-81 F-Body platform.
  • Tubular Construction: Lightweight yet exceptionally strong steel tubing for improved suspension response.
  • Bolt-In Ball Joint: Allows for easy installation and maintenance using standard components.
  • Black Powder Coat: Provides a professional look and long-term protection against corrosion.

Upgrading to tubular control arms is one of the most effective ways to improve the cornering capability of your classic muscle car. The 15 Series arm reduces flex under load, ensuring that your alignment settings remain consistent even during high-speed cornering. By replacing aging factory arms with this precision-engineered unit, you will experience sharper turn-in, better tire contact patch management, and an overall more connected feel to the road. Whether you are restoring a Camaro or Firebird, this A-arm is a must-have for your suspension build. Find all your performance chassis parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About UB Machine

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

High-Performance 15 Series Upper A-Arm for GM F-Body

Transform the handling of your 1971-1981 GM F-Body with the UB Machine 15 Series Tubular Upper A-Arm. This 8.5-inch control arm is specifically designed for enthusiasts who demand better suspension geometry and increased durability compared to factory components. Featuring a bolt-in ball joint design, this arm is built to handle the demands of both street and track driving.

Performance Features

  • Optimized Length: 8.5-inch design tailored for the specific geometry of the 1971-81 F-Body platform.
  • Tubular Construction: Lightweight yet exceptionally strong steel tubing for improved suspension response.
  • Bolt-In Ball Joint: Allows for easy installation and maintenance using standard components.
  • Black Powder Coat: Provides a professional look and long-term protection against corrosion.

Upgrading to tubular control arms is one of the most effective ways to improve the cornering capability of your classic muscle car. The 15 Series arm reduces flex under load, ensuring that your alignment settings remain consistent even during high-speed cornering. By replacing aging factory arms with this precision-engineered unit, you will experience sharper turn-in, better tire contact patch management, and an overall more connected feel to the road. Whether you are restoring a Camaro or Firebird, this A-arm is a must-have for your suspension build. Find all your performance chassis parts at GGCRACING.

Product Details

Product Description

About UB Machine

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

High-Performance 15 Series Upper A-Arm for GM F-Body

Transform the handling of your 1971-1981 GM F-Body with the UB Machine 15 Series Tubular Upper A-Arm. This 8.5-inch control arm is specifically designed for enthusiasts who demand better suspension geometry and increased durability compared to factory components. Featuring a bolt-in ball joint design, this arm is built to handle the demands of both street and track driving.

Performance Features

  • Optimized Length: 8.5-inch design tailored for the specific geometry of the 1971-81 F-Body platform.
  • Tubular Construction: Lightweight yet exceptionally strong steel tubing for improved suspension response.
  • Bolt-In Ball Joint: Allows for easy installation and maintenance using standard components.
  • Black Powder Coat: Provides a professional look and long-term protection against corrosion.

Upgrading to tubular control arms is one of the most effective ways to improve the cornering capability of your classic muscle car. The 15 Series arm reduces flex under load, ensuring that your alignment settings remain consistent even during high-speed cornering. By replacing aging factory arms with this precision-engineered unit, you will experience sharper turn-in, better tire contact patch management, and an overall more connected feel to the road. Whether you are restoring a Camaro or Firebird, this A-arm is a must-have for your suspension build. Find all your performance chassis parts at GGCRACING.

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