GiroDisc GiroDisc Porsche 911 GT3/GT3RS/GT2RS (991) w/PCCB (Iron Rotor Pad Shape) Slotted Front Rotors
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GiroDisc Porsche 911 GT3/GT3RS/GT2RS (991) w/PCCB (Iron Rotor Pad Shape) Slotted Front Rotors

GiroDisc
GIRA1-154
A1-154
Brake Rotors - 2 Piece
12 Units In Stock - Ships Next Business Day
$ 1,950.00
$ 1,950.00

SKU: A1-154

GiroDisc 2014-2019 Porsche 911 GT3/GT3RS/GT2RS (991) w/PCCB (Iron Rotor Pad Shape) Slotted Front Rotors

GiroDisc slotted front rotors provide direct replacement braking upgrade for Porsche 911 GT3 GT3RS and GT2RS (991 chassis) vehicles equipped with PCCB brakes. Sized at 396mm x 36mm these two-piece rotors use iron rotor pad shape for iron pad compatibility delivering lighter weight and consistent stopping power. Slotted surfaces clear gases and debris while curved vanes manage heat for repeated track sessions.

Key Features

  • Two-Piece Construction: 6061-T6 aluminum hats reduce unsprung weight by 2.5 lbs per rotor compared to OEM while floating design eliminates hat-to-rotor fretting
  • Slotted Friction Surface: Precision slots enhance initial bite expel brake gases and sweep away pad residue for shorter stopping distances
  • Curved Vane Runner: Cast iron ring with directional curved vanes pulls cooling air through rotor increasing thermal capacity by 25 percent over solid designs
  • Modular Replaceable Ring: Cast iron friction ring can be swapped without new hats extending rotor life and lowering long-term costs
  • Direct PCCB Fitment: Matches OEM 396 x 36mm dimensions bolts into PCCB calipers using iron pads for everyday and competition braking

Product Notes

  • Requires iron or metallic brake pads only pad shape does not support ceramic PCCB pads
  • Rotors sold as pair hardware and pads available separately
  • Made in USA with aircraft-grade materials for durability

Installation Notes

  • Professional installation recommended.
  • Bolt-on replacement no caliper or hub modifications needed
  • Bed-in rotors with iron pads using manufacturer-recommended procedure for peak performance

This Part Fits

Year Make Model Submodel
2014-2016 Porsche 911 GT3
2016-2017 Porsche 911 GT3 RS
2016-2017 Porsche 911 GT2 RS
2018-2019 Porsche 911 GT3

Why Choose GiroDisc?

  • Track-proven in Porsche racing series with thousands of hours of development
  • High-volume cast iron rings ensure consistent material properties
  • Lifetime structural warranty covers defects in materials and workmanship

Frequently Asked Questions

  • Q: Will these rotors fit my PCCB-equipped 991 GT3 RS?
    A: Yes they directly replace OEM PCCB rotors on 2016-2017 GT3 RS GT2 RS and compatible GT3 models pair with iron pads for full compatibility
  • Q: What material are the rotors made from?
    A: 6061-T6 aluminum hats stainless steel bobbin hardware and high-carbon cast iron friction rings stress-relieved for zero distortion
  • Q: What is the warranty and bedding process?
    A: Lifetime warranty against warping cracking or defects follow GiroDisc bedding procedure with iron pads for 500-1000 miles of street use before track

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Individual protective boxes in oversized carton
  • Weight: 22 lbs

Request For Information

Have questions about GiroDisc Porsche 911 GT3/GT3RS/GT2RS (991) w/PCCB (Iron Rotor Pad Shape) Slotted Front Rotors? Fill out the form below and we'll get back to you by the next business day.
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