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

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SKU: WIL160-8166
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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 - Left Hand

Elevate your braking performance with the Wilwood 160-8166 GT48 Curved Vane Rotor. This 2-piece rotor is precision-engineered using Wilwood's exclusive Spec-37 iron alloy, renowned for its exceptional ability to withstand extreme temperatures while resisting distortion, warping, and wear. It's the ideal choice for high-performance vehicles and demanding driving conditions.

Advanced Features for Peak Performance:

  • High-Temperature Spec-37 Alloy: Crafted from a proprietary iron alloy with roots in military-spec technology, ensuring superior thermal stability and durability under intense braking.
  • Optimized GT Slotting: Features the advanced GT Series asymmetrical face slot pattern, designed to enhance rotor cooling, sweep away dust and debris, and promote even pad wear for consistent stopping power.
  • Efficient Curved Vanes: The internal curved vane design facilitates optimal airflow, accelerating heat dissipation and preventing brake fade during prolonged use.
  • Precision Balancing: Each rotor undergoes individual dynamic balancing, guaranteeing a smooth, vibration-free operation and a refined pedal feel, even at high speeds.
  • Maximum Cooling: Engineered for the highest cooling capacity, these rotors are perfect for road racing, track days, and any application where sustained braking performance is critical.
  • Extended Lifespan: The combination of advanced materials and robust design ensures a longer service life, providing reliable performance lap after lap.
  • Specifications: Measures 13.06" in diameter with a 1.25" thickness and a 12 on 8.75" bolt circle. This is the Left Hand (LH) rotor.

For competition-grade braking that won't quit, trust the Wilwood GT48 Spec-37 rotor. Upgrade your braking system today!

Find it 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 - Left Hand

Elevate your braking performance with the Wilwood 160-8166 GT48 Curved Vane Rotor. This 2-piece rotor is precision-engineered using Wilwood's exclusive Spec-37 iron alloy, renowned for its exceptional ability to withstand extreme temperatures while resisting distortion, warping, and wear. It's the ideal choice for high-performance vehicles and demanding driving conditions.

Advanced Features for Peak Performance:

  • High-Temperature Spec-37 Alloy: Crafted from a proprietary iron alloy with roots in military-spec technology, ensuring superior thermal stability and durability under intense braking.
  • Optimized GT Slotting: Features the advanced GT Series asymmetrical face slot pattern, designed to enhance rotor cooling, sweep away dust and debris, and promote even pad wear for consistent stopping power.
  • Efficient Curved Vanes: The internal curved vane design facilitates optimal airflow, accelerating heat dissipation and preventing brake fade during prolonged use.
  • Precision Balancing: Each rotor undergoes individual dynamic balancing, guaranteeing a smooth, vibration-free operation and a refined pedal feel, even at high speeds.
  • Maximum Cooling: Engineered for the highest cooling capacity, these rotors are perfect for road racing, track days, and any application where sustained braking performance is critical.
  • Extended Lifespan: The combination of advanced materials and robust design ensures a longer service life, providing reliable performance lap after lap.
  • Specifications: Measures 13.06" in diameter with a 1.25" thickness and a 12 on 8.75" bolt circle. This is the Left Hand (LH) rotor.

For competition-grade braking that won't quit, trust the Wilwood GT48 Spec-37 rotor. Upgrade your braking system today!

Find it 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 - Left Hand

Elevate your braking performance with the Wilwood 160-8166 GT48 Curved Vane Rotor. This 2-piece rotor is precision-engineered using Wilwood's exclusive Spec-37 iron alloy, renowned for its exceptional ability to withstand extreme temperatures while resisting distortion, warping, and wear. It's the ideal choice for high-performance vehicles and demanding driving conditions.

Advanced Features for Peak Performance:

  • High-Temperature Spec-37 Alloy: Crafted from a proprietary iron alloy with roots in military-spec technology, ensuring superior thermal stability and durability under intense braking.
  • Optimized GT Slotting: Features the advanced GT Series asymmetrical face slot pattern, designed to enhance rotor cooling, sweep away dust and debris, and promote even pad wear for consistent stopping power.
  • Efficient Curved Vanes: The internal curved vane design facilitates optimal airflow, accelerating heat dissipation and preventing brake fade during prolonged use.
  • Precision Balancing: Each rotor undergoes individual dynamic balancing, guaranteeing a smooth, vibration-free operation and a refined pedal feel, even at high speeds.
  • Maximum Cooling: Engineered for the highest cooling capacity, these rotors are perfect for road racing, track days, and any application where sustained braking performance is critical.
  • Extended Lifespan: The combination of advanced materials and robust design ensures a longer service life, providing reliable performance lap after lap.
  • Specifications: Measures 13.06" in diameter with a 1.25" thickness and a 12 on 8.75" bolt circle. This is the Left Hand (LH) rotor.

For competition-grade braking that won't quit, trust the Wilwood GT48 Spec-37 rotor. Upgrade your braking system today!

Find it at GGCRACING.

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