AFCO Racing 21 Series Monotube Shock C4-R4 — 9in Stroke Aluminum

SKU: DJGV_2194
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Professional-Grade Damping: AFCO 9in Monotube ShocksThe AFCO Racing 21 Series ...Read More

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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

Professional-Grade Damping: AFCO 9in Monotube Shocks

The AFCO Racing 21 Series Monotube Shock with a 9-inch stroke is the ultimate solution for racers who require extended suspension travel and superior damping control. Featuring specialized C4-R4 valving, this shock is expertly tuned to handle the bumps and transitions of a high-speed track. The threaded aluminum body provides the flexibility to adjust your ride height, ensuring your vehicle is perfectly balanced for every race.

Technical Specifications

  • Series: 21 Series Monotube
  • Stroke: 9 inches
  • Valving: C4-R4
  • Compressed Length: 16.21 inches
  • Extended Length: 24.15 inches
  • Construction: Threaded aluminum
  • Finish: Blue anodized

Monotube technology is essential for high-performance racing as it allows for better heat dissipation and more consistent damping forces. The blue anodized finish not only provides a sleek, professional appearance but also adds a layer of protection against corrosion. By minimizing internal friction and preventing oil aeration, the AFCO 21 Series helps maintain optimal tire contact, giving you the confidence to push harder through the corners. This shock is a must-have for any serious racer looking to improve their chassis dynamics and overall lap times. Discover the difference that professional-grade suspension can make in your racing program with GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Professional-Grade Damping: AFCO 9in Monotube Shocks

The AFCO Racing 21 Series Monotube Shock with a 9-inch stroke is the ultimate solution for racers who require extended suspension travel and superior damping control. Featuring specialized C4-R4 valving, this shock is expertly tuned to handle the bumps and transitions of a high-speed track. The threaded aluminum body provides the flexibility to adjust your ride height, ensuring your vehicle is perfectly balanced for every race.

Technical Specifications

  • Series: 21 Series Monotube
  • Stroke: 9 inches
  • Valving: C4-R4
  • Compressed Length: 16.21 inches
  • Extended Length: 24.15 inches
  • Construction: Threaded aluminum
  • Finish: Blue anodized

Monotube technology is essential for high-performance racing as it allows for better heat dissipation and more consistent damping forces. The blue anodized finish not only provides a sleek, professional appearance but also adds a layer of protection against corrosion. By minimizing internal friction and preventing oil aeration, the AFCO 21 Series helps maintain optimal tire contact, giving you the confidence to push harder through the corners. This shock is a must-have for any serious racer looking to improve their chassis dynamics and overall lap times. Discover the difference that professional-grade suspension can make in your racing program with GGCRACING.

Product Details

Product Description

Professional-Grade Damping: AFCO 9in Monotube Shocks

The AFCO Racing 21 Series Monotube Shock with a 9-inch stroke is the ultimate solution for racers who require extended suspension travel and superior damping control. Featuring specialized C4-R4 valving, this shock is expertly tuned to handle the bumps and transitions of a high-speed track. The threaded aluminum body provides the flexibility to adjust your ride height, ensuring your vehicle is perfectly balanced for every race.

Technical Specifications

  • Series: 21 Series Monotube
  • Stroke: 9 inches
  • Valving: C4-R4
  • Compressed Length: 16.21 inches
  • Extended Length: 24.15 inches
  • Construction: Threaded aluminum
  • Finish: Blue anodized

Monotube technology is essential for high-performance racing as it allows for better heat dissipation and more consistent damping forces. The blue anodized finish not only provides a sleek, professional appearance but also adds a layer of protection against corrosion. By minimizing internal friction and preventing oil aeration, the AFCO 21 Series helps maintain optimal tire contact, giving you the confidence to push harder through the corners. This shock is a must-have for any serious racer looking to improve their chassis dynamics and overall lap times. Discover the difference that professional-grade suspension can make in your racing program with GGCRACING.

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