991 911R

Pagid Racing Brake Pad Shape 4925 Fits The Following Cars: Make Model Build (Year) Front Rear Porsche 918 Spyder 15 - X Porsche 991 GT3 [ceramic brakes] 14 - 18 X Porsche 991 GT3 [iron brakes] 14 - 18 X Porsche 991 GT3 RS [ceramic brakes] 16 - X Porsche 991 GT3 RS [iron brakes] 16 - ; X Porsche 991 Turbo [ceramic brakes] 13 - 19 X Porsche 991 Turbo [iron brakes] 13 - 19 X Porsche 991 Turbo S [ceramic brakes] 13 - 19 X Porsche 991 Turbo S [iron brakes] 13 - 19 X Porsche 991.2 GT2 RS [ceramic brakes] 18 - X Porsche 991.2 GT3 [ceramic brakes] 18 - 19 X Porsche 991.2 GT3 [iron brakes] 18 - X Porsche 991.2 GT3 RS [ceramic brakes] 19 - X Porsche 991.2 GT3 RS [iron brakes] 19 - X Porsche 991 R [ceramic brakes] 16 - X Porsche 991 911 Speedster [iron brakes] 19 - X Porsche 992 3.0 Carrera 4S [ceramic brakes] 20 - X Porsche 718 Cayman GT4 4.0 [982] [iron brakes] 19 - X Porsche 718 Cayman GT4 4.0 [982] [ceramic brakes] 19 - X Porsche Cayman GT4 [981] 16 - 20 X Porsche Cayman GT4 [981] [ceramic brakes] 16 - 20 X Porsche 992 Turbo [iron brakes] 20 - X Porsche 992 GT3 [iron brakes] 22 - X Porsche 992 Carrera S [ceramic brakes] 20 - X Porsche 992 GT3 [ceramic brakes] 22 - X Porsche 992 Turbo [ceramic brakes] 20 - X Porsche 718 Cayman GT4 4.0 RS [982] [iron brakes] 21 - X Porsche 718 Cayman GT4 4.0 RS [982] [ceramic brakes] 21 - X   Pagid Racing Brake Pads are engineered for high-performance driving, delivering exceptional stopping power, durability, and control under the most demanding conditions. Trusted by professional racers and performance enthusiasts worldwide, these pads are crafted using advanced friction materials and cutting-edge technology to ensure consistent performance, low fade, and excellent modulation. Whether you're on the track or tackling aggressive street driving, Pagid Racing Brake Pads provide the reliability and confidence you need to push your vehicle to its limits. Pagid Racing Brake compounds are for steel (cast iron) rotors only unless otherwise noted. RSL 29 Compound: The Pagid RSL 29 (Yellow) is the world-leading endurance brake pad used by most of the winning teams in motorsport. Although designed primarily for endurance racing, many competitors use this material successfully for sprint and short distance races also. RS29 has also found favor in the growing track day market due to the level of control, good cold performance, long life and low disc wear. RSL 19 Compound: Pagid RSL 19 is a low metallic resin bonded material containing steel and aramid fibers. It maintains a constant friction level across a broad range of temperatures. The material features very good modulation and release characteristics. Rear axle usage in combination with RSL 1 or RSL 2 on the front axle in heavier cars (GT3/GTE). Front axle usage for lighter GT and touring cars. Pagid RSL 1 Compound Used in GT cars, touring cars and prototype endurance racing. Due to the high friction and good modulation, often used in sprint races as well. RSL 1 is a low metallic resin bonded material containing steel and aramid fibers with very high heat resistance. It maintains a constant friction level over a wide range of temperatures. Its reduced wear rate and disc friendliness make this material appropriate for endurance races. Pagid RST 3 Compound: RST 3 is a medium-high friction metal-ceramic compound containing steel fibers and is therefore the perfect complement of the RST product family. It captivates by its low heat conductivity. Rally tarmac and gravel, GT cars, touring cars and prototype circuit racing, formula cars and club racing. Wide range of applications due to it‘s combination of bite, friction and controllability. Pagid RSC 1 Compound (Ceramic Rotors Only) A race and track day compound for all known types of ceramic brake discs, RSC 1 is a low metallic resin bonded material containing steel and aramid fibers. This material features good all-round characteristics and is suitable for all types of usage. Pagid RSC 3 Compound (Ceramic Rotors Only) RSC 3 is a low metallic resin bonded material containing steel fibers. This material is specifically developed for above mentioned applications. It is a special race compound for ceramic discs with low content of fibers in the friction surface for sprint and endurance circuit racing.

Girodisc Brake Pad Spreader The Right Tool for the Job This indispensable tool is used by race teams, shops, and enthusiasts alike who have high performance four- and six-piston calipers. The Girodisc Brake Pad Spreader is designed to easily spread brake pads and pistons to facilitate quick replacement of pads and/or rotors in a shop or racing environment. No more screwdrivers, pliers, hammers, or C-clamps! This tool will retract the pistons fully and evenly into their bores with one squeeze of the levers. The Girodisc Brake Pad Spreader was designed to be used with popular racing brake calipers from Brembo, AP Racing, Alcon, and other performance calipers in racing and road use. To help it fit into any caliper, the amount of throw is adjustable. Built Like a Tank. Works Like a Charm. Insert the spreading plates one way for wider six-piston calipers, or turn the spreader 90o and use the plate sides for four-piston calipers. The Girodisc Brake Pad Spreader is made from heavy-gauge steel, powder-coated for durability. The slider is cadmium-plated, and nylon pivot bushings ensure smooth action. It will quickly become an invaluable tool for any race team, shop, or enthusiast who changes pads and rotors frequently.

Pagid Racing Brake Pad Shape No. 4927 Fits the Following Vehicles: Make Model Build (Year) Front Rear Porsche 918 Spyder 2015 X Porsche 991 GT3 [ceramic brakes] 14 - 18 X Porsche 991 GT3 RS [ceramic brakes] 15 - 18 X Porsche 991 Turbo [ceramic brakes] 13 - X Porsche 991 Turbo S [ceramic brakes] 13 - X Porsche 991.2 GT2 RS [ceramic brakes] 18 - X Porsche 991.2 GT3 [ceramic brakes] 19 - X Porsche 991.2 GT3 RS [ceramic brakes] 19 - X Porsche 991 R [ceramic brakes] 16 - X Porsche 992 3.0 Carrera 4S [ceramic brakes] 20 - X Porsche 718 Cayman GT4 4.0 [982] [ceramic brakes] 19 - X Porsche Cayman GT4 [981] [ceramic brakes] 16 - X Porsche 992 Carrera S [ceramic brakes] 20 - X Porsche 992 GT3 [ceramic brakes] 22 - X Porsche 718 Cayman GT4 4.0 RS [982] [ceramic brakes] 22 - X Pagid Racing Brake Pads are engineered for high-performance driving, delivering exceptional stopping power, durability, and control under the most demanding conditions. Trusted by professional racers and performance enthusiasts worldwide, these pads are crafted using advanced friction materials and cutting-edge technology to ensure consistent performance, low fade, and excellent modulation. Whether you're on the track or tackling aggressive street driving, Pagid Racing Brake Pads provide the reliability and confidence you need to push your vehicle to its limits. Pagid Racing Brake compounds are for steel (cast iron) rotors only unless otherwise noted. RSL 29 Compound: The Pagid RSL 29 (Yellow) is the world-leading endurance brake pad used by most of the winning teams in motorsport. Although designed primarily for endurance racing, many competitors use this material successfully for sprint and short distance races also. RS29 has also found favor in the growing track day market due to the level of control, good cold performance, long life and low disc wear. Pagid RSL 1 Compound Used in GT cars, touring cars and prototype endurance racing. Due to the high friction and good modulation, often used in sprint races as well. RSL 1 is a low metallic resin bonded material containing steel and aramid fibers with very high heat resistance. It maintains a constant friction level over a wide range of temperatures. Its reduced wear rate and disc friendliness make this material appropriate for endurance races. Pagid RSC 1 Compound (Ceramic Rotors Only) A race and track day compound for all known types of ceramic brake discs, RSC 1 is a low metallic resin bonded material containing steel and aramid fibers. This material features good all-round characteristics and is suitable for all types of usage. Pagid RSC 3 Compound (Ceramic Rotors Only) RSC 3 is a low metallic resin bonded material containing steel fibers. This material is specifically developed for above mentioned applications. It is a special race compound for ceramic discs with low content of fibers in the friction surface for sprint and endurance circuit racing.

PFC Brake Pads 1773.xx.17.44 This is an updated PFC part number. The previous part number was 7721.xx.17.44. FITMENT (Iron Rotors Only): Fits The Following Vehicles: Make Model Build (Year) Front Rear Porsche 991 GT3 [iron brakes] 14 - 16 X Porsche 991 GT3 RS [iron brakes] 16  X Porsche 991 Turbo [iron brakes] 13 - 19 X Porsche 991 Turbo S [iron brakes] 13 - 19 X Porsche 991.2 GT3 [iron brakes] 18 - 19 X Porsche 991.2 GT3 RS [iron brakes] 19 X Porsche 991 911 Speedster [iron brakes] 19 X Porsche 992 3.0 Carrera S [iron brakes] 20 - X Porsche 992 3.0 Carrera 4S [iron brakes] 20 - X Porsche 718 Cayman GT4 4.0 [982] [cast iron brakes] 19 - X Porsche Cayman GT4 [981] 16 -20 X Porsche 718 Cayman GTS 4.0 [982] [cast iron brakes] 2016 X Porsche 992 Turbo [iron brakes] 20 - X Porsche 992 GT3 / GT3RS [iron brakes] 22 - X Porsche 718 Cayman GT4 4.0 RS [982] [cast iron brakes] 23 - X   PFC Brakes offers a wide range of sports car applications. Each PFC product is meticulously created to the highest performance and technology expectations. The folks at PFC take pride in the accomplishments of the drivers and race teams that run PFC products. With More Championships than Any Other™, PFC are among the best racing brakes on the market. Known around the globe in the sports car market, PFC is involved with numerous sports car events including: IMSA Continental Tire Sports Car Challenge Porsche Cup Racing Pirelli World Challenge With over 35 years of friction knowledge and on-track experience, PFC's process enables them to provide you with the proper friction every time. NO COMPROMISES All PFC pad compounds have been thoroughly processed and are “race ready”. That means very easy burnishing to bed pads and rotors. PFC 331 Compound PFC 331 is the next generation of PFC endurance material, giving you improved control with ABS while being gentle on rotors. The 331 Carbon Metallic compound has been developed with higher initial bite than PFC’s renowned 08 endurance compound. The 331 has improved release while continuing to offer exceptional control and feel. It boasts a low wear rate and exceptional disc conditioning. PFC 13 Compound The PFC 13 is the new generation of ultimate high bite/high friction performance. Performance Friction's 13 compound has been developed with increased bite, excellent modulation, and superior disc conditioning and release characteristics for exceptional control. Ultra-smooth and great for tracks with high grip or high downforce cars. It is the ultimate combination of high bite and infinite control. Ideal where high bite in the first one-third of the stop is desired. PFC 13 exhibits wear on a par with PFC’s legendary 01 compound, but will operate at higher temperatures if called on. PFC 13 has a very high threshold for fade resistance. Out of all the high bite/high torque pads on the market, PFC 13 has been shown to have some of the lowest taper wear in a properly designed race caliper. PFC 11 Compound A new generation sprint and medium-distance friction compound, PFC 11 gives you the ultimate in control alongside superior disc conditioning. Developed from the famed PFC 01 compound with improved bite, modulation, and release characteristics. The PFC 11 is ultra-smooth, developed to reduce wheel lock-up at the end of braking while giving you more cold- and hot-bite than the more endurance-oriented PFC 08 compound.

Ferodo 11 FCP4664 Porsche Front Brake Pads Designed for use with iron brake rotors only. Not for use with carbon-ceramic rotors. Ferodo 11 FCP4664 Front Brake Pad Fitment: Make Model Build (Year) Front Rear Porsche 991 GT3 [iron brakes] 14 - 16 X Porsche 991 GT3 RS [iron brakes] 16 X Porsche 991 Turbo [iron brakes] 13 - X Porsche 991 Turbo S [iron brakes] 13 - X Porsche 991.2 GT3 [iron brakes] 18 - 19 X Porsche 991.2 GT3 RS [iron brakes] 19 X Porsche 991 911 Speedster [iron brakes] 19  X Porsche 992 3.0 Carrera S [iron brakes] 20 - X Porsche 992 3.0 Carrera 4S [iron brakes] 20 - X Porsche 718 Cayman GT4 4.0 [982] [iron brakes] 19 - X Porsche Cayman GT4 [981] 16 - X Porsche 718 Cayman GTS 4.0 [982] [iron brakes] 2016 X Porsche 992 Turbo [iron brakes] 2020 - X Porsche 992 GT3 [iron brakes] 2022 - X Porsche 718 Cayman GT4RS [iron brakes] 23 - X Ferodo DS3.12 Brake Compound Details The DS3.12 is the latest evolution in Ferodo's incredible DS line. Sports cars today have more of everything: more horsepower, more sophisticated aero, higher curb weights, and stickier tires. These attributes place serious demands on a vehicle's brake system. The Ferodo DS3.12 is the modern pad compound designed from the start to explicitly handle those demands. Ferodo DS1.11 Brake Compound Details The DS1.11 has a lower mu than the DS3.12 at all temperatures and can be characterized as a moderate mu pad vs. other endurance racing compounds. They require more pedal force than the DS3.12, and they have a slightly declining torque curve as temperatures rise. As they get hotter and you dive deeper into a turn, you may feel like you need to push a little harder on the brake pedal to elicit the same response (which is a feel many drivers actually prefer). Some drivers feel that the DS1.11 is more controllable on street tires than DS3.12 since ABS cannot be activated as easily. It will last a fairly long time vs. many other pad compounds on the market but does not last quite as long as the DS3.12. They are very gentle on discs at track temperatures when a proper pad transfer layer is maintained. The DS1.11 also has an outstanding max temp and fade resistance, just not quite as high as 3.12. We're not aware of anyone who has faded them, and most people differentiate between the DS1.11 and DS3.12 based on feel. Ferodo DSUno Brake Compound Details For our customers who enjoy the performance of the DS1.11, but just want a little more bite, we recommend the DSUNO. It doesn't wear quite as long as the DS1.11, but it does offer a higher overall mu once it reaches track temperatures. Ferodo DS2500 Brake Compound Details Although we always recommend using a dedicated race pad for the track, the DS2500 is one of the best hybrid street/track pads on the market. It features the moderately high bite and solid fade resistance of a track pad, with the relatively low dust and noise levels of a street pad. When used as a street pad, it can produce some squeal on certain vehicle platforms. If you drive aggressively on the street, do some canyon runs, autocross, and maybe some light track duty on street tires, the DS2500 is tough to beat. Ferodo 11 FCP4664 Comparison Chart Out of all the pad compounds we've ever tested, from all manufacturers, the Ferodo DS3.12 shows the flattest torque curve across the broadest temperature range. That means on every turn, on every track you drive, on every lap, your brake pedal is going to feel almost exactly the same, providing tremendous consistency and repeatability. The DS3.12 has a higher mu (µ) than Ferodo's other compounds, so not as much pedal pressure is required to initiate the desired response. It is also un-fadable, showing no drop in performance at any temperature your brakes will ever see. Ferodo 11 FCP4664 Coefficient of Friction (Mu) Comparison Chart In dyno testing, the Ferodo DS3.12 has shown superior wear rates to the other Ferodo compounds, while remaining kind to brake rotors. We believe the Ferodo DS3.12 will become the gold standard by which other race compounds will be judged. Ferodo 11 FCP4664 Operating Temperature Comparison Chart

Ferodo 11 FCP4665G-N DS3.12 Porsche Rear Brake Pads Designed for use with iron brake rotors only. Not for carbon-ceramic rotors. Ferodo 11 FCP4665G-N DS3.12 Porsche Rear Brake Pad Fitment: Porsche 992 911 Turbo Iron disc Porsche 718 Cayman GT4/GT4RS Iron disc Porsche 992 GT3, GT3 RS Iron disc Porsche 991 Turbo Iron Disc  Porsche 991 GT3, GT3 RS Iron Disc  Porsche 981 Cayman GT4 Iron Disc Ferodo Brake Pad Compound DS3.12 The DS3.12 brake pad compound is the latest evolution in Ferodo's incredible DS line. Sports cars today have more of everything: more horsepower, more sophisticated aero, higher curb weights, and stickier tires. These attributes place serious demands on a vehicle's brake system. Ferodo 11 FCP4665G-N Comparison Chart The Ferodo DS3.12 is the modern pad compound designed from the start to explicitly handle those demands. Out of all the pad compounds we've ever tested, from all manufacturers, the DS3.12 shows the flattest torque curve across the broadest temperature range. That means on every turn, on every track you drive, on every lap, your brake pedal is going to feel almost exactly the same. This gives you tremendous consistency and repeatability. Ferodo 11 FCP4665G-N Coefficient of Friction (Mu) Chart The DS3.12 has a higher mu (µ) than Ferodo's other compounds, so not as much pedal pressure is required to initiate the desired response. It is also un-fadable, showing no drop in performance at any temperature your brakes will ever see. In dyno testing, the Ferodo DS3.12 has shown superior wear rates compared to the other Ferodo compounds, while remaining kind to brake rotors. Ferodo 11 FCP4665G-N Temperature Chart We believe the Ferodo DS3.12 will become the gold standard to which other race compounds will be compared.

Girodisc Porsche 991, 992 GT3, GT2 RS, GT4 RS PCCB Rear Iron Rotor Conversion Upgrade your Porsche’s carbon-ceramic braking system with Girodisc’s precision-engineered iron rotor conversion. Designed as a direct replacement for OEM PCCB rear rotors, this setup provides improved heat management, reduced long-term costs, and more consistent braking performance under aggressive driving and track conditions. A2-154 Girodisc Porsche Rear Rotor Vehicle Fitment Porsche 911 GT3 (991.1, 991.2, and 992)Porsche 911 GT3 Touring (991 & 992)Porsche 911 GT3 RS (991.1 & 991.2)Porsche 911 GT2 RS (991.2)Porsche 718 Cayman GT4 RS (2022–present)Compatible with OEM PCCB carbon-ceramic brake systems and factory Brembo calipers. Direct Iron Replacement for Porsche PCCB Rotors The Girodisc system bolts directly to factory hubs and calipers with no modifications required. Each rotor features a U.S.-sourced 6061-T6 aluminum hat and Girodisc’s proprietary high-carbon cast-iron friction rings. The floating two-piece design allows thermal expansion without warping, maintaining consistent pad contact and pedal feel. Curved internal vanes act as centrifugal pumps to draw cooling air through the rotor for superior temperature control under repeated hard braking. A2-154 Girodisc Porsche Rear Rotor Features • Direct replacement for OEM PCCB rear rotors – no modifications required• Billet 6061-T6 aluminum hats with hard-anodized finish• Proprietary high-carbon cast-iron rings cast and machined in the USA• Floating mount system with 12 cadmium-plated steel drive pins• Anti-noise spring washers prevent rattle while maintaining float• Curved vane design improves airflow and cooling• Fully rebuildable—replace only the iron rings when worn• Sold/priced per pair Girodisc A2-154 Rear Rotor FAQs: Can I install these without altering the PCCB calipers? Yes. This Girodisc system bolts directly to the OEM hubs and reuses the factory PCCB calipers and hardware—no adapters or spacers needed. Why switch from carbon-ceramic to iron rotors? Iron rotors provide more consistent performance under heat, better pedal feedback, and dramatically lower maintenance costs for frequent track use. Will these affect the car’s ABS or stability control systems? No. Girodisc rotors match OEM dimensions and weight distribution, maintaining full compatibility with Porsche’s electronic systems. Are these suitable for extended track sessions? Absolutely. Girodisc rotors deliver predictable braking feel and exceptional thermal stability during long, high-load track events when paired with performance pads and fluid. Upgrade your Porsche’s PCCB system with Girodisc’s rear iron rotor conversion—engineered for the perfect blend of control, serviceability, and motorsport-grade performance.

Porsche 991 GT3 /GT3RS Front Rotors Girodisc 2-piece floating rotors are a direct, high-performance replacement for the factory iron rotors on Porsche 991 GT3 and GT3 RS models. Designed to bolt directly to the car with no modifications, these rotors retain compatibility with factory pads—something most aftermarket options can’t claim. The result is OEM fitment with upgraded braking performance, lighter weight, and better heat control under demanding track conditions. Each assembly features a 6061-T6 aluminum hat and Girodisc’s proprietary cast-iron rotor ring, manufactured and machined entirely in the USA. The curved vane design acts as a centrifugal pump, drawing cool air through the rotor to reduce surface temperatures and maintain consistent braking performance even under heavy load. Precision-Engineered Performance A1-146 Girodisc Porsche 991 GT3 / GT3RS Front Rotor Vehicle Fitment Porsche 991 GT3 Porsche 991 GT3 RS A1-146 Girodisc Porsche 991 GT3 / GT3RS Front Rotor Features Direct OEM replacement: Works with stock calipers and pads—no special hardware or machining required. Curved vane cooling: Directional vanes pump air through the disc for optimal heat management and fade resistance. Floating mount system: Twelve cadmium-plated drive pins allow the rotor to expand under heat without distortion or rattle. Factory compatibility: Designed to work with Porsche’s OEM iron rotor setup, retaining proper brake bias and ABS function. Lightweight construction: Reduces rotational mass and improves suspension response without compromising durability. Optional center lock fitment: Available with center lock drive pins for cars equipped with OEM center lock wheels. A1-146 Girodisc Porsche 991 GT3 / GT3RS Front Rotor FAQs Do these fit factory calipers? Yes, they are a direct bolt-on replacement for OEM iron rotors using factory pads and hardware. Will they work with center lock wheels? Yes—select the center lock option when ordering for proper fitment. Are they quieter than stock? Yes, the anti-noise spring washers reduce rattle and ensure smooth, quiet operation. Are they track-proven? Absolutely. When paired with quality pads and hi-temp fluid, these rotors deliver race-level performance and fade resistance. How are they sold? Sold and priced per pair. Step up your GT3’s braking consistency with Girodisc’s precision-built floating rotors—lighter, cooler, and engineered to perform lap after lap.

Porsche 991 GT3, GT2RS, GT4RS PCCB Front Iron Rotor Conversion The Girodisc PCCB Front Iron Rotor Conversion is the ultimate solution for Porsche 991 GT3, GT2RS, and 718 GT4RS owners looking to replace costly carbon ceramic rotors with a lightweight, high-performance iron alternative. Designed for seamless fitment and OEM compatibility, this system delivers improved braking feel, durability, and cost efficiency without compromising your Porsche’s balance or factory performance. Direct PCCB Replacement for Track-Focused Drivers This conversion system is a direct replacement for Porsche’s PCCB (carbon ceramic) rotors, using the same pad shape as 991 GT3 models equipped with factory iron brakes. The smaller pad annulus keeps overall rotor weight reasonable while improving pad selection options for street, track, or endurance setups. Unlike oversized PCCB-equivalent rotors, Girodisc’s optimized annulus design maintains proper mass distribution for responsive, consistent braking performance. A1-154 Girodisc 2pc Front Brake Rotor Vehicle Fitment These Girodisc PCCB Front Iron Rotor Conversions are engineered specifically for: Porsche 991 GT3 (PCCB-equipped) Porsche 991 GT3 RS (PCCB-equipped) Porsche 991 GT2 RS (PCCB-equipped) Porsche 718 GT4 RS (PCCB-equipped) Compatible with both 991.1 and 991.2 models originally fitted with Porsche Carbon Ceramic Brakes (PCCB). A1-154 Girodisc 2pc Front Brake Rotor Features The rotor hat is CNC-machined from U.S.-sourced 6061-T6 aircraft-grade aluminum for strength and reduced unsprung weight. The rotor rings are made from Girodisc’s proprietary cast iron alloy, poured and machined entirely in-house in the USA. Each disc features a curved vane internal design that acts as a centrifugal pump, forcing cooling air through the rotor to reduce temperatures and improve fade resistance under extreme use. The floating mount system employs 12 high-strength alloy steel drive pins, cadmium plated for long-lasting corrosion resistance and secured by class 12.9 cap screws with hardened washers. Anti-noise spring washers allow the rotors to expand with heat while eliminating the rattle often associated with floating rotors. The floating setup also ensures the rotor self-centers between the pads, maintaining consistent pedal feel and precision braking feedback. Once installed, the Girodisc system allows future rotor replacements to be quick and cost-effective — simply replace the iron rings while retaining your original aluminum hats. This keeps long-term maintenance costs low while providing exceptional stopping performance for street and track use alike. Sold and priced in pairs. A1-154 Girodisc 2pc Front Brake Rotor FAQs Will these fit my PCCB-equipped Porsche? Yes. They are designed to replace the factory PCCB rotors directly. You’ll just need to use the smaller iron pad shape from 991 GT3 models with iron brakes. Why switch from PCCB to iron rotors? Iron rotors offer superior heat dissipation, better pedal feel, and dramatically reduced replacement costs compared to PCCBs, making them ideal for frequent track drivers. Do I need to modify anything for installation? No modifications are required. The Girodisc rotors bolt directly to your existing hubs and calipers, maintaining all factory geometry and electronics. How do these compare in weight to PCCBs? They are slightly heavier, but the difference is offset by improved cooling, reduced fade, and greater brake pad compatibility — critical benefits for extended track sessions. Can I reuse the aluminum hats? Absolutely. When the rotors wear out, simply install new Girodisc iron rings onto your existing hats, making replacements quick and economical. Upgrade your Porsche’s braking system with the Girodisc PCCB Front Iron Rotor Conversion — precision-engineered in the USA for drivers who demand consistent, fade-free performance lap after lap.

PFC Brake Pads 7727.xx.18.44 PFC Brakes offers a wide range of sports car applications. Each PFC product is meticulously created to the highest performance and technology expectations. The folks at PFC take pride in the accomplishments of the drivers and race teams that run PFC products. With More Championships than Any Other™, PFC are among the best racing brakes on the market. Known around the globe in the sports car market, PFC is involved with numerous sports car events including: IMSA Continental Tire Sports Car Challenge Porsche Cup Racing Pirelli World Challenge With over 35 years of friction knowledge and on-track experience, PFC's process enables them to provide you with the proper friction every time. PFC 7727.XX.18.44 BRAKE PAD FITMENTS Make Model Build (Year) Front Rear Porsche 918 Spyder 15 - X Porsche 991 GT3 [iron brakes] 14 - 18 X Porsche 991 GT3 RS [iron brakes] 16 -  X Porsche 991 Turbo [iron brakes] 13 - 19 X Porsche 991 Turbo S [iron brakes] 13 - 19 X Porsche 991.2 GT3 [iron brakes] 18 - X Porsche 991.2 GT3 RS [iron brakes] 19 - X Porsche 991 911 Speedster [iron brakes] 19 - X Porsche 718 Cayman GT4 4.0 [982] [iron brakes] 19 - X Porsche Cayman GT4 [981] 16 - 20 X Porsche 992 Turbo [iron brakes] 20 - X Porsche 992 GT3 [iron brakes] 22 - X Porsche 718 Cayman GT4 4.0 RS [982] [iron brakes] 21 - X NO COMPROMISES All PFC pad compounds have been thoroughly processed and are “race ready”. That means very easy burnishing to bed pads and rotors. PFC 332 Compound PFC 332 has been formulated with lower bite and torque for rear brake applications. With a smooth release, the PFC 332 compound offers excellent stability and control. PFC 332 has been designed to work with ABS applications and has exceptionally low wear rates. PFC 11 Compound A new generation sprint and medium-distance friction compound, PFC 11 gives you the ultimate in control alongside superior disc conditioning. Developed from the famed PFC 01 compound with improved bite, modulation, and release characteristics. The PFC 11 is ultra-smooth, developed to reduce wheel lock-up at the end of braking while giving you more cold- and hot-bite than the more endurance-oriented PFC 08 compound. FITMENT (Iron Rotors Only): Porsche 991 GT3RS 2016-2019 Rear Porsche 991 GT3 2014-2019 Rear Porsche 991 Speedster 2019-2021 Rear Porsche 991 Turbo/Turbo S 2013-2019 Rear Porsche 992 GT3/GT3RS 2022- Rear Porsche 992 Turbo 2019- Rear Porsche 918 Spyder 2013-2016 Rear Porsche 981 Cayman GT4 2015-2019 Rear Porsche 718 Cayman GT4/GT4RS 2019- Rear

Girodisc Porsche 991 GT3 Rear Rotors Designed for the demanding performance of the 991 GT3 and GT3 RS, these Girodisc rear rotors provide a lighter, stronger, and more heat-efficient upgrade over factory iron rotors. Built for drivers who push their cars to the limit, they offer exceptional pedal feel, cooling performance, and precision without altering OEM brake balance or ABS function. A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor Fitment Porsche 911 GT3 (991.1 & 991.2)Porsche 911 GT3 RS (991.1 & 991.2)Compatible with OEM iron rotor systems and factory calipers. Precision-Built for Track and Street Use The Girodisc system bolts directly to the factory hubs and calipers—no modifications or pad changes required. Each rotor features a CNC-machined 6061-T6 aluminum hat paired with Girodisc’s proprietary high-carbon cast-iron friction ring. The two-piece floating design allows for thermal expansion without warping, keeping braking consistent during intense heat cycles. Curved internal vanes act as centrifugal pumps to force cooling air through the disc, extending rotor life and minimizing fade. A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor Features • Direct replacement for OEM iron rear rotors—no modifications required• Billet 6061-T6 aluminum hats with anodized finish• Proprietary high-carbon cast-iron rings, cast and machined in the USA• Floating mount system with cadmium-plated drive pins and anti-noise washers• Curved internal vane design improves airflow and cooling• Maintains factory brake balance and ABS efficiency• Fully rebuildable—replace only the iron rings when worn• Sold/priced per pair A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor FAQs: Do these fit both the 991 GT3 and GT3 RS? Yes. They’re designed specifically for OEM iron rotor-equipped 991 GT3 and GT3 RS models and work with stock Brembo calipers. Do I need to change my brake pads or hardware? No. Unlike many aftermarket systems, Girodisc rotors retain full compatibility with OEM pads and hardware. What kind of performance gain should I expect? Expect reduced unsprung mass, better cooling efficiency, and improved pedal consistency under heavy braking conditions. Are these rotors suitable for track use? Absolutely. The floating two-piece construction and curved vane cooling make them ideal for extended track sessions or spirited driving on twisty roads. Bring race-proven braking precision to your Porsche 991 GT3 with Girodisc’s rear rotors—crafted for balance, responsiveness, and reliability at any speed.

Ferodo 11 FCP4665 Porsche Rear Brake Pads Designed for use with iron brake rotors only. Not for carbon-ceramic rotors. Ferodo FCP4665 Porsche Rear Brake Pad Fitment: Make Model Build (Year) Front Rear Porsche 918 Spyder 15 - X Porsche 991 GT3 [iron brakes] 14 - 18 X Porsche 991 GT3 RS [iron brakes] 16 -  X Porsche 991 Turbo [iron brakes] 13 - 19 X Porsche 991 Turbo S [iron brakes] 13 - 19 X Porsche 991.2 GT3 [iron brakes] 18 - X Porsche 991.2 GT3 RS [iron brakes] 19 - X Porsche 991 911 Speedster [iron brakes] 19 - X Porsche 718 Cayman GT4 4.0 [982] [iron brakes] 19 - X Porsche Cayman GT4 [981] 16 - 20 X Porsche 992 Turbo [iron brakes] 20 - X Porsche 992 GT3 [iron brakes] 22 - X Porsche 718 Cayman GT4 4.0 RS [982] [iron brakes] 21 - X   Ferodo DS3.12 Brake Compound Details The DS3.12 is the latest evolution in Ferodo's incredible DS line. Sports cars today have more of everything: more horsepower, more sophisticated aero, higher curb weights, and stickier tires. These attributes place serious demands on a vehicle's brake system. The Ferodo DS3.12 is the modern pad compound designed from the start to explicitly handle those demands. Ferodo DS1.11 Brake Compound Details The DS1.11 has a lower mu than the DS3.12 at all temperatures and can be characterized as a moderate mu pad vs. other endurance racing compounds. They require more pedal force than the DS3.12, and they have a slightly declining torque curve as temperatures rise. As they get hotter and you dive deeper into a turn, you may feel like you need to push a little harder on the brake pedal to elicit the same response (which is a feel many drivers actually prefer). Some drivers feel that the DS1.11 is more controllable on street tires than DS3.12 since ABS cannot be activated as easily. It will last a fairly long time vs. many other pad compounds on the market but does not last quite as long as the DS3.12. They are very gentle on discs at track temperatures when a proper pad transfer layer is maintained. The DS1.11 also has an outstanding max temp and fade resistance, just not quite as high as 3.12. We're not aware of anyone who has faded them, and most people differentiate between the DS1.11 and DS3.12 based on feel. Ferodo DSUno Brake Compound Details For our customers who enjoy the performance of the DS1.11, but just want a little more bite, we recommend the DSUNO. It doesn't wear quite as long as the DS1.11, but it does offer a higher overall mu once it reaches track temperatures. Ferodo DS2500 Brake Compound Details Although we always recommend using a dedicated race pad for the track, the DS2500 is one of the best hybrid street/track pads on the market. It features the moderately high bite and solid fade resistance of a track pad, with the relatively low dust and noise levels of a street pad. When used as a street pad, it can produce some squeal on certain vehicle platforms. If you drive aggressively on the street, do some canyon runs, autocross, and maybe some light track duty on street tires, the DS2500 is tough to beat. Ferodo FCP4665 Compound Comparison Chart The cold friction profile of the Ferodo DS1.11 is predictable and grows linear as your pad heats up with very good fade resistance all the way to its maximum 1382 F limit. Another common use of the Ferodo DS1.11 is an advanced track day driver in the red group in a well set-up chassis with sticky rubber and aero. Ferodo FCP4665 Operating Temperature Comparison Chart Ferodo FCP4665 Friction Coefficient (Mu) Comparison Chart

Performance Friction PFC 410.34.0063.451/461 410mm Replacement Front Floating Racing Brake Rotors Fit The Following Cars which use PFC 410.069.63/64 (w/ OEM Iron Rotors or PCCB Rotors) - Center hat Excluded, rotor disc only. Replacement Disc Only For PFC 410.069.63/64 and 410.057.63/64 Porsche 992 GT3 PCCB/Iron (Front) Porsche 992 GT3RS PCCB/Iron (Front) Porsche 991 GT2RS PCCB (Front) Porsche 991 GT3 PCCB (Front) Porsche 991 GT3RS PCCB (Front) Porsche 718 / 982 GT4RS PCCB or Iron (Front) Porsche 718 GT4 PCCB (Front) PFC the manufacturer of Porsche Cup braking systems developed a 410mm front rotor replacement kit that is a direct replacement for the OEM 991 GT or 718 GT4 PCCB Brake rotors or OEM 718 / 982 GT4RS with PCCB or Iron rotors.  Performance Friction PFC V3 Discs with Zero Failure Technology Unique Rotor and Hat interface, eliminating most hardware. The elimination of hardware reduces weight, complexity, and installation time for less down time and more seat time on the track.  Replace your rotor discs in minutes with a flat head screwdriver PFC metallurgy specified for high Thermal stability and mechanical strength for increased longevity 48 vane geometry engineered for increased airflow for increased brake cooling during the heat of the battle while on track Patented slot pattern for increased initial bit and pad surface conditioning Lightweight forged hard anodized aluminum hat for increased durability and performance The two-piece PFC V3 design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

AP Racing 380x34mm Replacement J Hook Rotor Rings Replacement Disc Only For AP Racing 13.01.20017 Rotor discs and installation hardware only. Center hat excluded. Fits The Following Cars (w/ OEM Iron Rotors) Porsche 991 GT3 (Front) Porsche 991 GT3RS (Front) Porsche 981 GT4 (Front) AP Racing by Essex 2-piece Competition J Hook front disc pair for 981 GT4, 991.1 & 991.2 GT3 & GT3 RS with iron discs 380mm x 34mm (14.96" x 1.34") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair of rotor rings (including hardware). AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down. AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and Preparation of AP Racing J Hook Discs Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.

Performance Friction PFC 380.34.0062.451/461 380mm Front Floating Racing Brake Rotor Replacements Fit The Following Cars (w/ OEM Iron Rotors) - Center hat Excluded, rotor disc only. Replacement Disc Only For PFC 380.070.63/64 Porsche 991 GT3 (Front) Porsche 991 GT3RS (Front) Porsche 981 GT4 (Front) PFC the manufacturer of Porsche Cup braking systems developed a 380x34mm front rotor replacement kit that is a direct replacement for the OEM Iron Brake rotors.  Performance Friction PFC V3 Discs with Zero Failure Technology Unique Rotor and Hat interface, eliminating most hardware. The elimination of hardware reduces weight, complexity, and installation time for less down time and more seat time on the track.  Replace your rotor discs in minutes with a flat head screwdriver PFC metallurgy specified for high Thermal stability and mechanical strength for increased longevity 48 vane geometry engineered for increased airflow for increased brake cooling during the heat of the battle while on track Patented slot pattern for increased initial bit and pad surface conditioning Lightweight forged hard anodized aluminum hat for increased durability and performance The two-piece PFC V3 design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

Performance Friction PFC 410.069.63-64 410mm Two-Piece Front Floating Racing Brake Rotors Fit The Following Cars (w/ OEM Iron Rotors or PCCB Rotors) Porsche 991 GT2RS PCCB (Front) Porsche 991 GT3 PCCB (Front) Porsche 991 GT3RS PCCB (Front) Porsche 718 / 982 GT4RS PCCB or Iron (Front) Porsche 718 GT4 PCCB (Front) PFC the manufacturer of Porsche Cup braking systems developed a 410mm front rotor replacement kit that is a direct replacement for the OEM 991 GT or 718 GT4 PCCB Brake rotors or OEM 718 / 982 GT4RS with PCCB or Iron rotors.  Performance Friction PFC V3 Disks with Zero Failure Technology Unique Rotor and Hat interface, eliminating most hardware. The elimination of hardware reduces weight, complexity, and installation time for less down time and more seat time on the track.  Replace your rotor discs in minutes with a flat head screwdriver PFC metallurgy specified for high Thermal stability and mechanical strength for increased longevity 48 vane geometry engineered for increased airflow for increased brake cooling during the heat of the battle while on track Patented slot pattern for increased initial bit and pad surface conditioning Lightweight forged hard anodized aluminum hat for increased durability and performance The two-piece PFC V3 design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.