Cusco Strut Bar OS-T Rear Chassis Brace — Fits 1986-1991 Mazda RX-7 FC3S

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SKU: CUS420 544 A
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Precision Handling for the FC3SThe Cusco OS-T Rear Strut Bar ...Read More

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Sale price$144.99 Regular price$220.00
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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

Precision Handling for the FC3S

The Cusco OS-T Rear Strut Bar offers a refined approach to chassis stiffening for the Mazda RX-7 FC3S. This high-performance brace is designed to bridge the rear strut towers, effectively neutralizing chassis flex that occurs during high-G cornering. By limiting the movement of the strut towers, the OS-T bar ensures that your suspension geometry remains consistent, providing you with the confidence to push your RX-7 to its limits.

Why Choose the OS-T Design?

  • Advanced OS-T shaft design for superior structural rigidity
  • Eliminates rear chassis flex and improves feedback
  • Precision-engineered for a perfect fit in the FC3S
  • Durable, high-quality construction
  • Enhances overall vehicle handling and stability

Whether you are navigating tight corners on a track or enjoying a spirited drive on winding roads, the Cusco OS-T Rear Strut Bar significantly improves the responsiveness of your vehicle. It is an essential modification for those seeking to optimize their suspension setup and maximize tire performance. The bar is lightweight yet incredibly strong, ensuring that you gain the benefits of a stiffer chassis without adding unnecessary weight. Elevate your driving experience with this precision-engineered component from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Handling for the FC3S

The Cusco OS-T Rear Strut Bar offers a refined approach to chassis stiffening for the Mazda RX-7 FC3S. This high-performance brace is designed to bridge the rear strut towers, effectively neutralizing chassis flex that occurs during high-G cornering. By limiting the movement of the strut towers, the OS-T bar ensures that your suspension geometry remains consistent, providing you with the confidence to push your RX-7 to its limits.

Why Choose the OS-T Design?

  • Advanced OS-T shaft design for superior structural rigidity
  • Eliminates rear chassis flex and improves feedback
  • Precision-engineered for a perfect fit in the FC3S
  • Durable, high-quality construction
  • Enhances overall vehicle handling and stability

Whether you are navigating tight corners on a track or enjoying a spirited drive on winding roads, the Cusco OS-T Rear Strut Bar significantly improves the responsiveness of your vehicle. It is an essential modification for those seeking to optimize their suspension setup and maximize tire performance. The bar is lightweight yet incredibly strong, ensuring that you gain the benefits of a stiffer chassis without adding unnecessary weight. Elevate your driving experience with this precision-engineered component from GGCRACING.

Product Details

Product Description

Precision Handling for the FC3S

The Cusco OS-T Rear Strut Bar offers a refined approach to chassis stiffening for the Mazda RX-7 FC3S. This high-performance brace is designed to bridge the rear strut towers, effectively neutralizing chassis flex that occurs during high-G cornering. By limiting the movement of the strut towers, the OS-T bar ensures that your suspension geometry remains consistent, providing you with the confidence to push your RX-7 to its limits.

Why Choose the OS-T Design?

  • Advanced OS-T shaft design for superior structural rigidity
  • Eliminates rear chassis flex and improves feedback
  • Precision-engineered for a perfect fit in the FC3S
  • Durable, high-quality construction
  • Enhances overall vehicle handling and stability

Whether you are navigating tight corners on a track or enjoying a spirited drive on winding roads, the Cusco OS-T Rear Strut Bar significantly improves the responsiveness of your vehicle. It is an essential modification for those seeking to optimize their suspension setup and maximize tire performance. The bar is lightweight yet incredibly strong, ensuring that you gain the benefits of a stiffer chassis without adding unnecessary weight. Elevate your driving experience with this precision-engineered component from GGCRACING.

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