Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor - 12.88" x 1.10" - Black Electro Coat

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SKU: WIL160-12962-GTB
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Sale price$326.99 Regular price$387.74
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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.

Watch in action

Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor

Experience superior stopping power and durability with the Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor. Engineered for high-performance applications, this rotor measures 12.88 inches in diameter with a 1.10-inch thickness, designed to fit specific wheel and hub configurations (12 on 8.75in). The GT48 rotor utilizes Wilwood's proprietary Spec-37 iron alloy, meticulously developed to withstand extreme temperatures and resist distortion, warping, cracking, and wear. This advanced material formulation is derived from technology used in extreme-duty military specification rotors, ensuring unparalleled performance under demanding conditions.

Key Features:

  • Material: High-grade Spec-37 iron alloy for exceptional heat tolerance and longevity.
  • Design: GT48 curved vane design promotes optimal airflow and cooling.
  • Surface: Asymmetrical face slot pattern enhances performance and heat dissipation.
  • Coating: Black Electro Coat finish provides superior corrosion resistance, ideal for aesthetic appeal and protection.
  • Balancing: Individually dynamically balanced for smooth, vibration-free operation at all speeds.
  • Dimensions: 12.88" diameter x 1.10" thickness.

This rotor is precision machined and dynamically balanced to ensure the smoothest, vibration-free performance, even at high speeds. The asymmetrical face slot pattern is proven to aid in venting gases and heat, contributing to consistent braking performance. The black electro-coat finish not only adds a sleek look but also protects against rust and corrosion, making it suitable for various environments. For enthusiasts seeking the ultimate in braking performance and reliability, this Wilwood rotor is an exceptional choice. Enhance your vehicle's braking system with this high-quality 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.

Watch in action

Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor

Experience superior stopping power and durability with the Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor. Engineered for high-performance applications, this rotor measures 12.88 inches in diameter with a 1.10-inch thickness, designed to fit specific wheel and hub configurations (12 on 8.75in). The GT48 rotor utilizes Wilwood's proprietary Spec-37 iron alloy, meticulously developed to withstand extreme temperatures and resist distortion, warping, cracking, and wear. This advanced material formulation is derived from technology used in extreme-duty military specification rotors, ensuring unparalleled performance under demanding conditions.

Key Features:

  • Material: High-grade Spec-37 iron alloy for exceptional heat tolerance and longevity.
  • Design: GT48 curved vane design promotes optimal airflow and cooling.
  • Surface: Asymmetrical face slot pattern enhances performance and heat dissipation.
  • Coating: Black Electro Coat finish provides superior corrosion resistance, ideal for aesthetic appeal and protection.
  • Balancing: Individually dynamically balanced for smooth, vibration-free operation at all speeds.
  • Dimensions: 12.88" diameter x 1.10" thickness.

This rotor is precision machined and dynamically balanced to ensure the smoothest, vibration-free performance, even at high speeds. The asymmetrical face slot pattern is proven to aid in venting gases and heat, contributing to consistent braking performance. The black electro-coat finish not only adds a sleek look but also protects against rust and corrosion, making it suitable for various environments. For enthusiasts seeking the ultimate in braking performance and reliability, this Wilwood rotor is an exceptional choice. Enhance your vehicle's braking system with this high-quality 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.

Watch in action

Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor

Experience superior stopping power and durability with the Wilwood GT48 SPC-37-LH 2-Piece Brake Rotor. Engineered for high-performance applications, this rotor measures 12.88 inches in diameter with a 1.10-inch thickness, designed to fit specific wheel and hub configurations (12 on 8.75in). The GT48 rotor utilizes Wilwood's proprietary Spec-37 iron alloy, meticulously developed to withstand extreme temperatures and resist distortion, warping, cracking, and wear. This advanced material formulation is derived from technology used in extreme-duty military specification rotors, ensuring unparalleled performance under demanding conditions.

Key Features:

  • Material: High-grade Spec-37 iron alloy for exceptional heat tolerance and longevity.
  • Design: GT48 curved vane design promotes optimal airflow and cooling.
  • Surface: Asymmetrical face slot pattern enhances performance and heat dissipation.
  • Coating: Black Electro Coat finish provides superior corrosion resistance, ideal for aesthetic appeal and protection.
  • Balancing: Individually dynamically balanced for smooth, vibration-free operation at all speeds.
  • Dimensions: 12.88" diameter x 1.10" thickness.

This rotor is precision machined and dynamically balanced to ensure the smoothest, vibration-free performance, even at high speeds. The asymmetrical face slot pattern is proven to aid in venting gases and heat, contributing to consistent braking performance. The black electro-coat finish not only adds a sleek look but also protects against rust and corrosion, making it suitable for various environments. For enthusiasts seeking the ultimate in braking performance and reliability, this Wilwood rotor is an exceptional choice. Enhance your vehicle's braking system with this high-quality component from GGCRACING.

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