Wilwood GT48 Curved Vane Brake Rotor - 2 Piece 13.06" x 1.25" - 12 on 8.75" BC - Spec-37 Iron - Right Hand

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SKU: WIL160-8165
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Sale price$300.99 Regular price$357.23
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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 Wilwood

Wilwood Engineering has been the American leader in aftermarket racing brakes since 1977. Forged aluminum calipers, two-piece slotted rotors, and master cylinders engineered for NASCAR, IndyCar, sprint cars, and street-legal big brake kits.

Wilwood GT48 Curved Vane Spec-37 Performance Rotor

Unleash the ultimate braking potential with the Wilwood 160-8165 GT48 Curved Vane Rotor. Engineered for the most demanding driving conditions, this 2-piece rotor is crafted from Wilwood's proprietary Spec-37 iron alloy, designed to endure extreme temperatures and resist warping, cracking, and wear.

Engineered for Extreme Performance:

  • Proprietary Spec-37 Alloy: Manufactured from a high-performance iron alloy derived from military-spec rotor technology, offering exceptional resistance to heat and stress.
  • GT Series Slotting: Features Wilwood's proven GT Series asymmetrical face slot pattern, which enhances cooling, cleans the rotor surface, and improves pad performance.
  • Curved Vane Design: The internal curved vane structure promotes superior airflow, maximizing heat dissipation for consistent stopping power under extreme loads.
  • Dynamically Balanced: Each rotor is individually dynamically balanced to ensure smooth, vibration-free operation at all speeds, providing a refined driving experience.
  • High Cooling Capacity: Designed for maximum heat management, making it ideal for road course racing, short track applications, and other high-performance driving scenarios.
  • Long Service Life: The robust construction and advanced materials contribute to an extended service life, even under intense competition use.
  • Specifications: 13.06" diameter, 1.25" thickness, with a 12 on 8.75" bolt circle. This is the Right Hand (RH) rotor.

For unparalleled braking performance and durability in extreme conditions, choose the Wilwood GT48 Spec-37 rotor. Elevate your track-day experience!

Available now at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wilwood

Wilwood Engineering has been the American leader in aftermarket racing brakes since 1977. Forged aluminum calipers, two-piece slotted rotors, and master cylinders engineered for NASCAR, IndyCar, sprint cars, and street-legal big brake kits.

Wilwood GT48 Curved Vane Spec-37 Performance Rotor

Unleash the ultimate braking potential with the Wilwood 160-8165 GT48 Curved Vane Rotor. Engineered for the most demanding driving conditions, this 2-piece rotor is crafted from Wilwood's proprietary Spec-37 iron alloy, designed to endure extreme temperatures and resist warping, cracking, and wear.

Engineered for Extreme Performance:

  • Proprietary Spec-37 Alloy: Manufactured from a high-performance iron alloy derived from military-spec rotor technology, offering exceptional resistance to heat and stress.
  • GT Series Slotting: Features Wilwood's proven GT Series asymmetrical face slot pattern, which enhances cooling, cleans the rotor surface, and improves pad performance.
  • Curved Vane Design: The internal curved vane structure promotes superior airflow, maximizing heat dissipation for consistent stopping power under extreme loads.
  • Dynamically Balanced: Each rotor is individually dynamically balanced to ensure smooth, vibration-free operation at all speeds, providing a refined driving experience.
  • High Cooling Capacity: Designed for maximum heat management, making it ideal for road course racing, short track applications, and other high-performance driving scenarios.
  • Long Service Life: The robust construction and advanced materials contribute to an extended service life, even under intense competition use.
  • Specifications: 13.06" diameter, 1.25" thickness, with a 12 on 8.75" bolt circle. This is the Right Hand (RH) rotor.

For unparalleled braking performance and durability in extreme conditions, choose the Wilwood GT48 Spec-37 rotor. Elevate your track-day experience!

Available now at GGCRACING.

Product Details

Product Description

About Wilwood

Wilwood Engineering has been the American leader in aftermarket racing brakes since 1977. Forged aluminum calipers, two-piece slotted rotors, and master cylinders engineered for NASCAR, IndyCar, sprint cars, and street-legal big brake kits.

Wilwood GT48 Curved Vane Spec-37 Performance Rotor

Unleash the ultimate braking potential with the Wilwood 160-8165 GT48 Curved Vane Rotor. Engineered for the most demanding driving conditions, this 2-piece rotor is crafted from Wilwood's proprietary Spec-37 iron alloy, designed to endure extreme temperatures and resist warping, cracking, and wear.

Engineered for Extreme Performance:

  • Proprietary Spec-37 Alloy: Manufactured from a high-performance iron alloy derived from military-spec rotor technology, offering exceptional resistance to heat and stress.
  • GT Series Slotting: Features Wilwood's proven GT Series asymmetrical face slot pattern, which enhances cooling, cleans the rotor surface, and improves pad performance.
  • Curved Vane Design: The internal curved vane structure promotes superior airflow, maximizing heat dissipation for consistent stopping power under extreme loads.
  • Dynamically Balanced: Each rotor is individually dynamically balanced to ensure smooth, vibration-free operation at all speeds, providing a refined driving experience.
  • High Cooling Capacity: Designed for maximum heat management, making it ideal for road course racing, short track applications, and other high-performance driving scenarios.
  • Long Service Life: The robust construction and advanced materials contribute to an extended service life, even under intense competition use.
  • Specifications: 13.06" diameter, 1.25" thickness, with a 12 on 8.75" bolt circle. This is the Right Hand (RH) rotor.

For unparalleled braking performance and durability in extreme conditions, choose the Wilwood GT48 Spec-37 rotor. Elevate your track-day experience!

Available now at GGCRACING.

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