Wilwood GT48 SPC-37 RH Rotor - 12.88" x 1.10" - 12 on 8.75" Bolt Pattern

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SKU: WIL160-12961
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Sale price$266.99 Regular price$316.28
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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 SPC-37 RH Rotors: Engineered for Professional Motorsports

Push the limits with the Wilwood GT48 curved vane rotors, specifically engineered to withstand the extreme conditions encountered in professional motorsports. These heavy-wall, directional vane rotors offer superior heat absorption and dissipation capabilities, crucial for preventing heat fade and ensuring maximum service life for both your rotors and pads.

Premium Construction for Unrivaled Performance

Crafted from premium grade, long-grain carbon iron, these rotors provide exceptional wear resistance, thermal stability, and a robust defense against distortion. Every GT rotor undergoes meticulous machining to eliminate stress points and reduce unnecessary weight from the pad sweep face. The rotor faces and outer diameter are precision-turned to within .001 inches for perfect flatness, parallelism, and run-out. The asymmetrical face slot pattern is designed to reduce harmonics, leading to smoother engagement and improved thermal balance across the rotor's surface.

  • Type: Two-Piece Brake Rotor
  • Series: GT48
  • Vane Type: Curved Vanes (Directional)
  • Material: Premium Long Grain Carbon Iron
  • Dimensions: 12.88" Diameter x 1.10" Thickness
  • Bolt Pattern: 12 on 8.75 inches
  • Hand: Right Hand (RH)
  • Features: Asymmetrical face slot pattern, precision machined, superior heat dissipation
  • Benefits: Prevents heat fade, extends rotor and pad life, smooth engagement, thermal balance
  • Applications: Professional motorsports, extreme performance driving

Equip your vehicle with the ultimate in braking technology. Choose Wilwood GT48 SPC-37 RH rotors for unparalleled performance and reliability, 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 SPC-37 RH Rotors: Engineered for Professional Motorsports

Push the limits with the Wilwood GT48 curved vane rotors, specifically engineered to withstand the extreme conditions encountered in professional motorsports. These heavy-wall, directional vane rotors offer superior heat absorption and dissipation capabilities, crucial for preventing heat fade and ensuring maximum service life for both your rotors and pads.

Premium Construction for Unrivaled Performance

Crafted from premium grade, long-grain carbon iron, these rotors provide exceptional wear resistance, thermal stability, and a robust defense against distortion. Every GT rotor undergoes meticulous machining to eliminate stress points and reduce unnecessary weight from the pad sweep face. The rotor faces and outer diameter are precision-turned to within .001 inches for perfect flatness, parallelism, and run-out. The asymmetrical face slot pattern is designed to reduce harmonics, leading to smoother engagement and improved thermal balance across the rotor's surface.

  • Type: Two-Piece Brake Rotor
  • Series: GT48
  • Vane Type: Curved Vanes (Directional)
  • Material: Premium Long Grain Carbon Iron
  • Dimensions: 12.88" Diameter x 1.10" Thickness
  • Bolt Pattern: 12 on 8.75 inches
  • Hand: Right Hand (RH)
  • Features: Asymmetrical face slot pattern, precision machined, superior heat dissipation
  • Benefits: Prevents heat fade, extends rotor and pad life, smooth engagement, thermal balance
  • Applications: Professional motorsports, extreme performance driving

Equip your vehicle with the ultimate in braking technology. Choose Wilwood GT48 SPC-37 RH rotors for unparalleled performance and reliability, 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 SPC-37 RH Rotors: Engineered for Professional Motorsports

Push the limits with the Wilwood GT48 curved vane rotors, specifically engineered to withstand the extreme conditions encountered in professional motorsports. These heavy-wall, directional vane rotors offer superior heat absorption and dissipation capabilities, crucial for preventing heat fade and ensuring maximum service life for both your rotors and pads.

Premium Construction for Unrivaled Performance

Crafted from premium grade, long-grain carbon iron, these rotors provide exceptional wear resistance, thermal stability, and a robust defense against distortion. Every GT rotor undergoes meticulous machining to eliminate stress points and reduce unnecessary weight from the pad sweep face. The rotor faces and outer diameter are precision-turned to within .001 inches for perfect flatness, parallelism, and run-out. The asymmetrical face slot pattern is designed to reduce harmonics, leading to smoother engagement and improved thermal balance across the rotor's surface.

  • Type: Two-Piece Brake Rotor
  • Series: GT48
  • Vane Type: Curved Vanes (Directional)
  • Material: Premium Long Grain Carbon Iron
  • Dimensions: 12.88" Diameter x 1.10" Thickness
  • Bolt Pattern: 12 on 8.75 inches
  • Hand: Right Hand (RH)
  • Features: Asymmetrical face slot pattern, precision machined, superior heat dissipation
  • Benefits: Prevents heat fade, extends rotor and pad life, smooth engagement, thermal balance
  • Applications: Professional motorsports, extreme performance driving

Equip your vehicle with the ultimate in braking technology. Choose Wilwood GT48 SPC-37 RH rotors for unparalleled performance and reliability, available now at GGCRACING.

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