Wilwood GT 48 Curved Vane Spec-37 Rotor - RH - 12.19" x 1.25" - 8 on 7.00" Bolt Circle

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SKU: WIL160-11839
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Sale price$200.99 Regular price$238.14
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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 GT 48 Curved Vane Spec-37 Brake Rotor - Right Hand

Elevate your braking system with the Wilwood GT 48 Curved Vane Spec-37 Brake Rotor, designed for superior performance in high-stress environments. Manufactured from Wilwood's exclusive Spec-37 iron alloy, this rotor offers exceptional resistance to extreme temperatures, warping, and cracking. This advanced material is derived from technology used in military-spec rotors, ensuring unmatched durability and reliability.

Performance Enhancements:

  • Material: Premium Spec-37 iron alloy for extreme temperature resilience.
  • Vane Design: Asymmetrical face slot pattern and curved vanes for maximum cooling efficiency.
  • Dimensions: 12.19" diameter, 1.25" thickness.
  • Bolt Circle: 8 on 7.00" bolt circle.
  • Hand Orientation: Right Hand (RH) specific.
  • Balancing: Individually dynamically balanced for vibration-free operation.
  • Cooling Capacity: Highest cooling capacity for extended service life.

The GT Series rotors feature a proven asymmetrical face slot pattern that, combined with the curved vane design, ensures optimal heat dissipation and pad cleaning. This results in smoother, more consistent braking performance across a wide range of speeds and conditions. Ideal for road course racing and demanding short-track applications, these rotors provide the longest service life and highest cooling capacity available. Upgrade your vehicle's braking capabilities with this high-performance component from 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 GT 48 Curved Vane Spec-37 Brake Rotor - Right Hand

Elevate your braking system with the Wilwood GT 48 Curved Vane Spec-37 Brake Rotor, designed for superior performance in high-stress environments. Manufactured from Wilwood's exclusive Spec-37 iron alloy, this rotor offers exceptional resistance to extreme temperatures, warping, and cracking. This advanced material is derived from technology used in military-spec rotors, ensuring unmatched durability and reliability.

Performance Enhancements:

  • Material: Premium Spec-37 iron alloy for extreme temperature resilience.
  • Vane Design: Asymmetrical face slot pattern and curved vanes for maximum cooling efficiency.
  • Dimensions: 12.19" diameter, 1.25" thickness.
  • Bolt Circle: 8 on 7.00" bolt circle.
  • Hand Orientation: Right Hand (RH) specific.
  • Balancing: Individually dynamically balanced for vibration-free operation.
  • Cooling Capacity: Highest cooling capacity for extended service life.

The GT Series rotors feature a proven asymmetrical face slot pattern that, combined with the curved vane design, ensures optimal heat dissipation and pad cleaning. This results in smoother, more consistent braking performance across a wide range of speeds and conditions. Ideal for road course racing and demanding short-track applications, these rotors provide the longest service life and highest cooling capacity available. Upgrade your vehicle's braking capabilities with this high-performance component from 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 GT 48 Curved Vane Spec-37 Brake Rotor - Right Hand

Elevate your braking system with the Wilwood GT 48 Curved Vane Spec-37 Brake Rotor, designed for superior performance in high-stress environments. Manufactured from Wilwood's exclusive Spec-37 iron alloy, this rotor offers exceptional resistance to extreme temperatures, warping, and cracking. This advanced material is derived from technology used in military-spec rotors, ensuring unmatched durability and reliability.

Performance Enhancements:

  • Material: Premium Spec-37 iron alloy for extreme temperature resilience.
  • Vane Design: Asymmetrical face slot pattern and curved vanes for maximum cooling efficiency.
  • Dimensions: 12.19" diameter, 1.25" thickness.
  • Bolt Circle: 8 on 7.00" bolt circle.
  • Hand Orientation: Right Hand (RH) specific.
  • Balancing: Individually dynamically balanced for vibration-free operation.
  • Cooling Capacity: Highest cooling capacity for extended service life.

The GT Series rotors feature a proven asymmetrical face slot pattern that, combined with the curved vane design, ensures optimal heat dissipation and pad cleaning. This results in smoother, more consistent braking performance across a wide range of speeds and conditions. Ideal for road course racing and demanding short-track applications, these rotors provide the longest service life and highest cooling capacity available. Upgrade your vehicle's braking capabilities with this high-performance component from GGCRACING.

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