GiroDisc 2-Piece Slotted Rear Rotors — Fits 991 Porsche 911 Turbo/Turbo S

SKU: GIRA2-155
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About GiroDisc GiroDisc engineers high-quality automotive parts and accessories trusted ...Read More

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Sale price$1,859.38
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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 GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Stopping Power for Porsche 911 Turbo

Unlock the full potential of your 991 Porsche 911 Turbo or Turbo S with GiroDisc 2-piece slotted rear rotors. Engineered for drivers who demand consistent, fade-free braking, these rotors are the perfect upgrade for both street and track applications. By utilizing a 2-piece design, GiroDisc significantly reduces unsprung weight, improving suspension response and overall vehicle handling.

Advanced Rotor Technology

The rotor rings are cast from a proprietary iron alloy, specifically formulated for high thermal capacity and longevity. The center hats are CNC-machined from billet aluminum, providing a lightweight yet incredibly rigid foundation. The slotted surface design ensures that brake pads remain clean and free of glazing, providing a sharp, responsive pedal feel every time you engage the brakes.

  • Lightweight 6061-T6 aluminum center hats
  • High-performance iron alloy rotor rings
  • Floating mount design for thermal expansion
  • Slotted surface for improved pad bite and cooling
  • Direct bolt-on fitment for 991 Turbo/Turbo S

These rotors are designed to handle the immense power of the 991 platform, ensuring that your braking system is as capable as your engine. With a focus on thermal management and weight reduction, GiroDisc provides the competitive edge needed for spirited driving. Upgrade your Porsche braking system today with high-quality components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Stopping Power for Porsche 911 Turbo

Unlock the full potential of your 991 Porsche 911 Turbo or Turbo S with GiroDisc 2-piece slotted rear rotors. Engineered for drivers who demand consistent, fade-free braking, these rotors are the perfect upgrade for both street and track applications. By utilizing a 2-piece design, GiroDisc significantly reduces unsprung weight, improving suspension response and overall vehicle handling.

Advanced Rotor Technology

The rotor rings are cast from a proprietary iron alloy, specifically formulated for high thermal capacity and longevity. The center hats are CNC-machined from billet aluminum, providing a lightweight yet incredibly rigid foundation. The slotted surface design ensures that brake pads remain clean and free of glazing, providing a sharp, responsive pedal feel every time you engage the brakes.

  • Lightweight 6061-T6 aluminum center hats
  • High-performance iron alloy rotor rings
  • Floating mount design for thermal expansion
  • Slotted surface for improved pad bite and cooling
  • Direct bolt-on fitment for 991 Turbo/Turbo S

These rotors are designed to handle the immense power of the 991 platform, ensuring that your braking system is as capable as your engine. With a focus on thermal management and weight reduction, GiroDisc provides the competitive edge needed for spirited driving. Upgrade your Porsche braking system today with high-quality components from GGCRACING.

Product Details

Product Description

About GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Stopping Power for Porsche 911 Turbo

Unlock the full potential of your 991 Porsche 911 Turbo or Turbo S with GiroDisc 2-piece slotted rear rotors. Engineered for drivers who demand consistent, fade-free braking, these rotors are the perfect upgrade for both street and track applications. By utilizing a 2-piece design, GiroDisc significantly reduces unsprung weight, improving suspension response and overall vehicle handling.

Advanced Rotor Technology

The rotor rings are cast from a proprietary iron alloy, specifically formulated for high thermal capacity and longevity. The center hats are CNC-machined from billet aluminum, providing a lightweight yet incredibly rigid foundation. The slotted surface design ensures that brake pads remain clean and free of glazing, providing a sharp, responsive pedal feel every time you engage the brakes.

  • Lightweight 6061-T6 aluminum center hats
  • High-performance iron alloy rotor rings
  • Floating mount design for thermal expansion
  • Slotted surface for improved pad bite and cooling
  • Direct bolt-on fitment for 991 Turbo/Turbo S

These rotors are designed to handle the immense power of the 991 platform, ensuring that your braking system is as capable as your engine. With a focus on thermal management and weight reduction, GiroDisc provides the competitive edge needed for spirited driving. Upgrade your Porsche braking system today with high-quality components from GGCRACING.

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