991 GT3/GT3RS/GT2RS

A1-146 Girodisc Two-Piece Front Brake Rotors FITMENT: Porsche 991 GT3/GT3RS/GT2RS, Front (2014+) with steel brakes The Girodisc system is a direct replacement for the OEM front rotors on the Porsche 991 GT3, GT3RS, and GT2RS with OEM iron rotors. No modifications are necessary, including full use of factory unmodified pads unlike most aftermarket solutions for this application. The GIrodisc rotors will bolt directly to your car and work with OEM calipers perfectly. By upgrading your brakes with lightweight, high performance replacements -- as opposed to a big brake kit -- your factory brake bias and ABS efficiency are preserved. The central hat section of the disc is made from 6061-T6 aircraft specification aluminum. The disc is manufactured from cast iron constructed in the USA, made to the same specification with the same material used by professional racing organizations. The rotors' curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc. The rotor and hat mount together through a floating mount system which utilizes ten high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by Grade-12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

A2-146 Girodisc Two-Piece Rear Brake Rotors FITMENT: Porsche 991 GT3 / GT3RS / GT2RS, Rear w/ Cast Iron Brakes This Girodisc system is a direct replacement for the OEM Porsche cast iron rotors on the 991 GT3, GT3RS, and GT2RS. No modifications are necessary, allows use of factory unmodified pads (unlike most aftermarket solutions for this application). The Girodisc rotors will bolt directly to the car and work with OEM calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory-tuned brake bias is maintained as well as your ABS efficiency. Girodisc two-piece floating rotors are lighter than OEM brake rotors. This reduction in rotational mass and unsprung weight allows for quicker acceleration, sharper steering, and faster suspension response. When used with Pagid or PFC performance brake pads and CMS RF-1 brake fluid (available from Competition Motorsport), you have an amazing solution to overheating, cracking and warping rotors. The central hat section of each Girodisc is made from 6061-T6 aircraft specification aluminum. The disc is manufactured from cast iron constructed in the USA, made to the same specification with the same material used by professional racing organizations. The rotors' curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc. The rotor and hat mount together through a floating mount system which utilizes ten high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by class 12.9 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

A1-154 Girodisc Two-Piece 410mm Front Brake Rotors FITMENT: Porsche GT3 (991) w/ factory PCCB Porsche GT3RS (991) w/ factory PCCB Porsche GT2RS (991) w/ factory PCCB Porsche GT4RS (718) w/ factory PCCB This 410mm Girodisc conversion system is a direct front rotor replacement for the Porsche 991.1 or 991.2 GT3, GT3RS, GT2RS, and GT4RS originally equipped with PCCB brakes. These two-piece floating iron rotors with aluminum hats will bolt directly to your Porsche and work flawlessly with the OEM front calipers. You must use must use the pad shape used on the 991 GT3 with iron rotors. The annulus (pad swept height) of these rotors is smaller than the PCCBs to keep rotor weight low and allow far better pad selection. By upgrading your brakes with lightweight, high-performance Girodisc rotors, especially when paired with Girodisc A2-154 rear rotors, your Porsche's factory brake bias and ABS efficiency are maintained. The low rotational mass and unsprung weight of Girodisc rotors allows for quick acceleration and fast transient suspension response. Most racers replace the factory PCCBs with Girodisc rotors to avoid the inevitable damage to fragile carbon-ceramic discs when swapping wheels at the track. We suggest using these rotors with these Pagid 4924 or PFC brake pad profiles normally used in the Porsche 991 GT3 without PCCB. When combined with Competition Motorsport RF1 Racing brake fluid or the New HALO P1 High Performance Brake Fluid, you'll have an extremely reliable and durable solution to cracked or broken carbon-ceramic rotors at a fraction of the cost of factory PCCBs. The central hat section of the Girodisc is made from 6061-T6 aircraft specification aluminum. The disc is manufactured from cast iron constructed in the USA, made to the same specification with the same material used by professional racing organizations. The rotors' curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc. The rotor and hat mount together through a floating mount system which utilizes ten high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by Grade-12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

Girodisc A2-154 390mm Rear Iron Rotor Conversion Fits The Following Cars With OEM PCCB: Porsche 991.1 and 991.2 GT3 Porsche 991.1 and 991.2 GT3RS Porsche 991.2 GT2RS Porsche 718 Cayman GT4RS This 390mm Girodisc conversion system is a rear rotor direct replacement for any Porsche 991 GT3, GT3RS, GT2RS, and GT4RS originally equipped with PCCB brakes. These two-piece floating iron rotors will bolt directly to the car and work with your OEM calipers perfectly. By upgrading your brakes with these lightweight, high-performance Girodisc rotors (paired with the A1-154 front rotors), your factory brake bias and ABS efficiency are maintained. The low rotational and unsprung weight allows for quicker acceleration and transient suspension response. Most racers replace the factory PCCBs with steel two-piece rotors to avoid the inevitable damage to the fragile carbon ceramic discs when swapping wheels at the track! When used with Pagid or PFC performance brake pads and CMS RF1 racing brake fluid, you have an powerful, durable solution to cracked or broken carbon-ceramic rotors at a fraction of the cost of replacing the factory PCCB units. The central hat section of each Girodisc is made from 6061-T6 aircraft specification aluminum. The disc is manufactured from cast iron constructed in the USA, made to the same specification with the same material used by professional racing organizations. The rotors' curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc. The rotor and hat mount together through a floating mount system which utilizes ten high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by class 12.9 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for disc-only replacement as well, minimizing future replacement costs and delivering outstanding performance. Sold/priced per pair.

CMS Performance RF1 DOT4 Racing Brake Fluid Real-Life High Boiling Point Without The Real High Price RF1 Racing Brake Fluid from CMS Performance is a fully-synthetic DOT4 brake fluid formulated to provide extraordinary performance under the most demanding high-temperature racing and track-day conditions. With a dry boiling point of 328º C (622º F), RF1 exceeds all DOT3 & DOT4 requirements and is compatible with all DOT 3, 4, and 5.1 fluids. (Not compatible with DOT5 or mineral-based brake fluids.) On the race track, brake systems operate at very high sustained temperatures, and there is perhaps no single safety system more important in racing than your brakes. No single part of that system is more critical than brake fluid. At CMS Performance, we got tired of (and a little nervous) using "racing" brake fluid at the race track that didn't live up to its claimed performance when things got hot. So we did something about it. Manufactured in partnership with Orthene, the brake fluid supplier to many teams in Formula 1, WEC, and other professional series, RF1 Racing Brake Fluid was formulated to maintain consistent viscosity, lubricity, and compressibility at the extreme system temperatures and line pressures found in racing and track days. The bottom line is this: you can spend more on brake fluid, but you can't buy higher-performance than RF1 Racing Brake Fluid. RF1 Racing Brake Fluid Details: Typical dry boiling point: 328º C (622º F) Typical wet boiling point: 204º C (399º F) Exceeds DOT3 & DOT4 standards Bottle size: 500 ml (16.9 fl oz) Click Here for Product MSDS Sheet A Word About Flushing Brake Fluid All brake fluid degrades over time (not mileage), attracting water as it ages, which, at high brake temperatures, can lead to fluid boil and brake fade or failure. That's why the "wet" (aged) boiling point of any brake fluid is substantially lower than the "dry" (new) boiling point. To maintain maximum braking performance, Competition Motorsport strongly suggests replacing your brake fluid before every track event, but at least every three months if you're consistently racing and/or driving at track days. It's cheap insurance against learning about brake fade the hard way!

Pagid 4924 Racing Brake Pads Fits The Following Vehicles: Porsche 991 GT3 (2014-19), Front w/ iron brakes Porsche 991 GT3RS (2016-19), Front w/ iron brakes Porsche 991 Turbo (2013-19), Front w/ iron brakes Porsche 981/718 Cayman GT4 (2016+), Front w/ iron brakes Porsche 718 Cayman GT4RS (2021+), Front w/ iron brakes Pagid RSL 29: 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: Pagid RSL 1 has a high ceramic content with superior thermal insulation and higher heat resistance than metallic pad compounds. They feature excellent pad wear under endurance conditions, excellent rotor life, and are less aggressive than RST pads with excellent brake balance and modulation. Pagid RST 1: Pagid RST 1 is a high-friction, aggressive pad with instant pedal response, quick release, a firm pedal at all temperatures, and a progressive torque curve. Suitable for applications with high down-force and/or very high grip. RST 1 has a very high friction level and high temperature resistance. It is a semi-metallic resin bonded material containing steel fibers. Cold friction and initial bite makes this material most appropriate for Rally and NASCAR applications. Pagid RST 3: Pagid RST 3 is a medium-high friction metal-ceramic compound containing steel fibers and is therefore the perfect complement of the RST product family. RST 3 is exceptional in its low heat conductivity. Ideal for rally tarmac and gravel, GT cars, Touring Cars, prototype circuit racing, formula cars and club racing. It has a wide range of applications due to its combination of bite, friction and controllability.

Pagid Racing Brake Pads No. 4925 Fits The Following Cars: Porsche 918 Spyder (2013+), Rear Porsche 991 GT3 (2013+), Rear Porsche 991 GT3RS (2015+), Rear Porsche 991 Turbo (2013+), Rear Porsche Cayman GT4 (2016+), Rear Porsche Cayman GT4RS (2021+), Rear Pagid RSL 29: RSL 29 (known through the racing world as "Pagid 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. Pagid RSL 29 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 RSC 1: RSC 1 is a good street/track compromise for enthusiasts with Carbon-Ceramic Brakes. Used for sprint racing and track days with all known types of ceramic brake discs. RSC 1 is an ideal combination of cold friction, fade resistance, and low thermal oxidation of the disc surface. The compound 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 RSL 1: 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. Low-metallic resin bonded materials containing steel and aramid fibers with very high heat resistance. RSL 1 maintains a constant friction level over a wide range of temperatures. Its reduced wear rate and disc friendliness make RSL 1 appropriate for endurance races. Pagid RST 3: RST 3 is a medium-high friction metal-ceramic compound containing steel fibers. It is known for its combination of bite, friction and controllability. RST 3 sees a wide range of applications: rally tarmac and gravel, GT cars, Touring cars and prototype circuit racing, formula cars and club racing.

Pagid Racing Brake Pads No. 4927 Fits These Vehicles: Porsche 918 Spyder (2013+), Front w/ PCCB Porsche 991 GT3, Front w/ PCCB Porsche 991 GT3RS, Front w/ PCCB Porsche 991 Turbo, Front w/ PCCB Porsche 981/718 GT4, Front w/ PCCB Porsche 718 GT4RS, Front w/ PCCB Pagid RSC 1: The Pagid RSC1 is a good street/track compromise for enthusiasts with Carbon-Ceramic Brakes. Used for sprint racing and track days compound with all known types of ceramic brake discs. An ideal combination of cold friction, fade resistance and low thermal oxidation of the disc surface.

Race Technologies RE10 Front Brake Pad - 2450.18.RE10 FITMENTS: Porsche 991.2 GT3, GT3RS, and GT2RS, Front w/ iron rotors Porsche 991 Turbo/Turbo S, Front w/ iron rotors Porsche 981/718 Cayman GT4, Front w/ iron rotors Race Technologies RE10 is the ultimate endurance race compound, offering a balance of excellent stopping power, low thermal conductivity, and extremely low pad and rotor wear. Utilizing the latest friction material technology, RE10 offers consistent performance under the most demanding of environments. Typical Applications: Professional Endurance Racing, Club Racing, and HPDE on high demand brake platforms. Note: RE10 is a "racing use only" pad. Running a "racing use only" pad on the street could produce excessive noise and dust. Disc wear could be accelerated if driven at cold temperatures or used in the incorrect temperature range. Racing pads are designed to work in specific temperature ranges, so it's important to choose the right compound for the environment the vehicle will be used in. Pad compounds are run on a brake dynamometer over multiple brake applications ("stops") to test the materials in a controlled environment and obtain accurate data. Wear rates and operating temperatures can be influenced by car set-up, grip levels, track layout, and other variables.

Race Technologies RE10 Rear Brake Pad - 2451.18.RE10 FITMENTS: Porsche 991 GT3, GT3RS, and GT2RS, Rear w/ Iron Rotors Porsche 991 Turbo/Turbo S, Rear w/ Iron Rotors Porsche 981/718 Cayman GT4, Rear w/ Iron Rotors The Race Technologies RE10 is the ultimate endurance race compound, offering a balance between excellent stopping power, low thermal conductivity, and extremely low pad and rotor wear. Utilizing the latest friction material technology, the RE10 compound offers consistent performance in the most demanding environments. Typical Applications: Professional Endurance Racing, Club Racing, and HPDE on high demand brake platforms The Race Technologies RE10 is a "racing use only" compound. Running a racing use only pad on the street could produce excessive noise and dust. Rotor wear could be accelerated if driven at cold temperatures or used in the incorrect temperature range. Racing pad compounds are engineered to work in specific temperature ranges, so it's important to choose the right compound for the environment the vehicle will be used in. Pad compounds are run on a brake dynamometer over multiple brake applications ("stops") to test the materials in a controlled environment and obtain the most accurate data. Wear rates and operating temperatures can be influenced by car set-up, grip levels, track layout, and other variables.

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): Porsche 991 GT3/GT3RS (2014-19), Front Porsche 991 Turbo/Turbo S (2013-19), Front Porsche 991.2 3.0 Carrera GTS (2017-19), Front Porsche 991.2 3.0 Carrera S (2015-19), Front Porsche 992 3.0 Carrera S & 4S (2020+), Front Porsche 992 GT3 (2022+), Front Porsche 992 Speedster (2019-22), Front Porsche 981 Cayman GT4 (2015-19), Front Porsche 718 Cayman GT4 (2020+), Front 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.

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. 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 2022- Rear Porsche 992 Turbo 2019- Rear Porsche 918 Spyder 2013-2016 Rear Porsche 981 Cayman GT4 2015-2019 Rear Porsche 718 Cayman GT4 2019- Rear

Ferodo FCP4664G DS3.12 Brake Pads Designed for use with iron brake rotors only. Not for use with carbon-ceramic rotors. FITMENTS (FRONT): Porsche GT2 Porsche GT3/GT3RS Porsche GT4 Compound: DS3.12 Released in 2019, 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. 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. 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 FCP4665G DS3.12 Brake Pads Designed for use with iron brake rotors only. Not for carbon-ceramic rotors. FITMENTS (REAR): Porsche GT2RS Porsche GT3 Porsche GT3RS Porsche GT4 Compound: DS3.12 Released in 2019, 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. 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. 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. We believe the Ferodo DS3.12 will become the gold standard to which other race compounds will be compared.

Girodisc Brake Pad Spreader 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. Insert the spreading plates one way for wider six-piston calipers, then 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. The Girodisc Brake Pad Spreader will quickly become an invaluable tool for any race team, shop, or enthusiast who changes pads and rotors frequently.

PFC Porsche 991 GT3 Cup / GT4 Clubsport Front Slotted Replacement Disc 380mm diameter and thickness is 32mm Brake disc only, does not include brake bell. Slotted V2/V3 disc 991GT3 Porsche 991 GT3 Cup (sprint). Not for use in official Porsche Carrera Cup championships.Porsche Cayman GT4 Clubsport (FIA GT4 homologated) GT4CS Part numbers replace; 380.32.0054.451  380.32.0054.461