Wilwood ULD-32 Drilled Iron 2-Piece Front Brake Rotor 12.19" x .810" - 8 on 7.00"

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SKU: WIL160-5865
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Sale price$105.99 Regular price$125.00
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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 160-5865 ULD-32 Drilled Iron 2-Piece Brake Rotor

For racers constantly seeking the perfect equilibrium between minimal weight and superior heat management, the Wilwood 160-5865 ULD-32 Drilled Iron 2-Piece Rotor is an exceptional choice. Reducing unsprung rotating weight offers tangible benefits, including quicker deceleration under braking and faster acceleration out of corners. Furthermore, lower weight positively impacts handling by improving the control of suspension components.

Key Features & Benefits:

  • Material: High-quality iron construction for reliable performance.
  • Design: 2-piece design with drilled faces for enhanced cooling and weight reduction.
  • Dimensions: 12.19" diameter x .810" thickness, with an 8 on 7.00" bolt circle.
  • Weight Reduction: Significantly lowers rotating mass, improving acceleration and handling dynamics.
  • Heat Management: Drilled faces aid in dissipating heat, maintaining consistent braking performance.
  • Durability: Engineered to withstand the demands of racing environments.
  • Applications: Specifically designed for sprint cars, late models, modifieds, and other competition applications operating in low to medium temperature ranges.

Wilwood's ULD-32 rotors provide a competitive advantage through optimized weight and effective heat management. Enhance your vehicle's performance and responsiveness on the track. Discover the full range of Wilwood performance parts 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 160-5865 ULD-32 Drilled Iron 2-Piece Brake Rotor

For racers constantly seeking the perfect equilibrium between minimal weight and superior heat management, the Wilwood 160-5865 ULD-32 Drilled Iron 2-Piece Rotor is an exceptional choice. Reducing unsprung rotating weight offers tangible benefits, including quicker deceleration under braking and faster acceleration out of corners. Furthermore, lower weight positively impacts handling by improving the control of suspension components.

Key Features & Benefits:

  • Material: High-quality iron construction for reliable performance.
  • Design: 2-piece design with drilled faces for enhanced cooling and weight reduction.
  • Dimensions: 12.19" diameter x .810" thickness, with an 8 on 7.00" bolt circle.
  • Weight Reduction: Significantly lowers rotating mass, improving acceleration and handling dynamics.
  • Heat Management: Drilled faces aid in dissipating heat, maintaining consistent braking performance.
  • Durability: Engineered to withstand the demands of racing environments.
  • Applications: Specifically designed for sprint cars, late models, modifieds, and other competition applications operating in low to medium temperature ranges.

Wilwood's ULD-32 rotors provide a competitive advantage through optimized weight and effective heat management. Enhance your vehicle's performance and responsiveness on the track. Discover the full range of Wilwood performance parts 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 160-5865 ULD-32 Drilled Iron 2-Piece Brake Rotor

For racers constantly seeking the perfect equilibrium between minimal weight and superior heat management, the Wilwood 160-5865 ULD-32 Drilled Iron 2-Piece Rotor is an exceptional choice. Reducing unsprung rotating weight offers tangible benefits, including quicker deceleration under braking and faster acceleration out of corners. Furthermore, lower weight positively impacts handling by improving the control of suspension components.

Key Features & Benefits:

  • Material: High-quality iron construction for reliable performance.
  • Design: 2-piece design with drilled faces for enhanced cooling and weight reduction.
  • Dimensions: 12.19" diameter x .810" thickness, with an 8 on 7.00" bolt circle.
  • Weight Reduction: Significantly lowers rotating mass, improving acceleration and handling dynamics.
  • Heat Management: Drilled faces aid in dissipating heat, maintaining consistent braking performance.
  • Durability: Engineered to withstand the demands of racing environments.
  • Applications: Specifically designed for sprint cars, late models, modifieds, and other competition applications operating in low to medium temperature ranges.

Wilwood's ULD-32 rotors provide a competitive advantage through optimized weight and effective heat management. Enhance your vehicle's performance and responsiveness on the track. Discover the full range of Wilwood performance parts at GGCRACING.

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