Circo Brake Pads Ford Mustang 2016 (Rear)

CIRCO Brake Pads – Street, Track, Rally and Motorsport Compounds

Unlock the braking performance your vehicle needs with CIRCO brake pads. Manufactured in Japan for demanding performance and competition applications, the CIRCO range includes dedicated compounds for performance street cars, track days, circuit racing, time attack, rally, endurance racing and professional motorsport.

Each CIRCO brake pad compound is engineered around a specific braking requirement. Whether you need immediate response for a modified street car, dependable braking across a full track session, aggressive bite for sprint racing or exceptional wear resistance for endurance competition, there is a CIRCO compound designed for the job.

Select your preferred compound from the available options before adding these brake pads to your cart.

CIRCO Brake Pad Compound Options

S83 – Performance Street, Entry-Level Track Day and Rear Race Pad

Best suited to: Performance street driving, entry-level track days and lower-friction rear axle applications.

CIRCO S83 brake pads are an excellent choice for drivers who want a controlled performance upgrade without stepping directly into an aggressive competition compound. The low-metallic carbon material provides progressive pedal response, predictable modulation and usable braking performance from ambient temperature, making it suitable for modified street cars that occasionally see track use. S83 is also widely used as a rear race pad where reduced friction helps maintain brake balance and minimise rear-wheel locking as weight transfers forward under heavy braking. This makes it particularly useful in front-engine, rear-wheel-drive competition vehicles. Choose S83 when you need dependable performance brake pads with manageable bite, good control and the versatility to handle road driving, spirited use and introductory circuit sessions.

• Compound: Low-metallic carbon
• Friction coefficient: 0.32–0.36µ
• Temperature range: 0–600°C
• Primary use: Performance street, entry-level track day and rear race applications

S85L – Low-Bite Rear Motorsport Compound

Best suited to: TCR rear applications, front-wheel-drive race cars and vehicles requiring reduced rear brake torque.

CIRCO S85L brake pads are purpose-built for rear axle applications where excessive rear bite can unsettle the vehicle or cause premature wheel lock. Developed around the requirements of TCR racing and high-performance front-wheel-drive platforms, S85L allows the driver or engineer to reduce rear brake torque while retaining consistent response throughout a race session. This controlled friction behaviour makes it a valuable brake-balance solution for cars with limited rear grip, aggressive forward weight transfer or rear axles that are easily over-braked. Select S85L when outright stopping power at the rear is less important than stability, predictability and confidence under threshold braking. It is a specialised motorsport brake pad intended to complement a higher-friction front compound and create a more balanced, driveable braking package.

• Primary use: Rear motorsport applications
• Vehicle type: TCR and front-wheel-drive race cars
• Key characteristic: Low rear bite
• Recommended position: Rear axle

S88 – Performance Street and Light Track Day Brake Pad

Best suited to: Modified street cars, performance driving, heavy-duty use and light track days.

CIRCO S88 brake pads provide the ideal balance between everyday usability and stronger braking performance. This low-steel carbon compound works immediately from ambient temperature, giving performance street cars confident pedal response without needing a competition-style warm-up procedure. Strong modulation makes it easy to control braking pressure through corners, during spirited driving and across short track sessions. S88 is designed for drivers who have outgrown standard replacement brake pads but still require a compound suitable for regular road use. Its combination of low-temperature friction, long pad life and rotor-friendly characteristics makes it a practical upgrade for performance vehicles, heavier cars and enthusiast builds. Choose S88 for sharper response, improved braking confidence and dependable performance during daily driving, mountain runs and occasional light-duty track days.

• Compound: Low-steel carbon
• Primary use: Performance street and light track day
• Cold performance: Effective from ambient temperature
• Key characteristics: Strong modulation, good pad life and controlled rotor wear

S99 – Club Racing, Open-Wheel and 2WD Rally Brake Pad

Best suited to: Lightweight race cars, open-wheelers, club-level circuit racing and two-wheel-drive rally vehicles.

CIRCO S99 brake pads are the entry point into the CIRCO competition range, delivering the response and temperature capability required for genuine motorsport use without the extreme characteristics of a professional-level circuit compound. The semi-metallic material offers good initial bite, predictable pedal control and consistent performance across small to medium circuits. S99 is particularly well matched to lightweight race cars and open-wheel vehicles that do not generate the same brake energy as heavier GT or touring cars. It is also an effective rally brake pad for two-wheel-drive competition vehicles requiring dependable response across changing stage conditions. Choose S99 when moving beyond track-day pads into club motorsport and you need a controlled race compound that provides useful wear life, manageable friction and confidence under repeated competition braking.

• Compound: Semi-metallic
• Friction coefficient: 0.40–0.43µ
• Temperature range: 100–700°C
• Primary use: Club racing, open-wheel competition and 2WD rally

M111 – ABS-Friendly Circuit Racing Brake Pad

Best suited to: Modern GT cars, production race cars, brake-booster-equipped vehicles and ABS-sensitive circuit applications.

CIRCO M111 brake pads are designed for modern circuit cars that require controlled brake torque rather than an excessively aggressive initial hit. The carbon-metallic compound delivers consistent braking performance across a broad operating window while its lower initial bite gives the driver greater control when approaching the limit of tyre grip. This characteristic makes M111 particularly suitable for vehicles retaining a brake booster or factory-based ABS system, where a highly aggressive pad could cause unnecessary ABS intervention. It is a strong choice for fast production cars and GT platforms that generate substantial brake temperature but still benefit from progressive pedal response. Select M111 for circuit racing when you need dependable fade resistance, low pad wear and precise braking control in a modern, electronically assisted performance vehicle.

• Compound: Carbon metallic
• Friction coefficient: 0.31–0.49µ
• Temperature range: 180–780°C
• Primary use: Circuit racing, GT cars and ABS-equipped competition vehicles

M119 – Rally, Circuit and Endurance Racing Brake Pad

Best suited to: Tarmac rally, gravel rally, circuit racing, under-braked vehicles and endurance competition.

CIRCO M119 brake pads combine strong low-temperature bite with the high-temperature consistency required for rally and circuit competition. The compound responds quickly when the brakes are cold, making it ideal for rally stages, standing starts, changing weather conditions and events where there may be limited opportunity to build brake temperature. Once hot, M119 maintains stable friction and excellent fade resistance, giving the driver predictable pedal response throughout repeated braking zones. Its progressive modulation also makes it easier to control tyre slip on loose gravel or when braking near the limit on tarmac. Low pad wear adds further value for endurance racing and high-mileage competition use. Choose M119 for a versatile race brake pad that delivers strong initial response, reliable temperature performance and greater usability than an aggressive sprint-only compound.

• Compound: Carbon metallic
• Friction coefficient: 0.48–0.51µ
• Temperature range: 50–800°C
• Primary use: Rally, circuit racing and endurance competition

M127 – Sprint Racing and Time Attack Brake Pad

Best suited to: Time attack, supersprints, short circuit races, heavy performance cars and drivers seeking maximum initial bite.

CIRCO M127 brake pads are built for drivers who want to brake later and harder during short-format competition. Once brought into their operating window, these carbon-metallic race pads produce very high friction and an aggressive initial response, helping maximise deceleration in time attack, sprint racing and qualifying-style sessions. Strong release characteristics allow the driver to come off the brake cleanly when transitioning into a corner, supporting precise vehicle placement and faster lap times. M127 is particularly effective in heavy, high-powered vehicles that generate substantial brake energy over short sessions. This compound requires correct bedding and sufficient temperature to deliver its best performance, while pad wear is higher than less aggressive CIRCO options. Choose M127 when outright sprint performance and maximum braking attack take priority over street manners or endurance pad life.

• Compound: Carbon metallic
• Friction coefficient: 0.45–0.55µ
• Temperature range: 150–850°C
• Primary use: Time attack, supersprints and short-format circuit racing

M192 – Rear Endurance Racing Brake Pad

Best suited to: Rear axle applications in GT3, GT4, rear-wheel-drive touring cars and long-distance endurance racing.

CIRCO M192 brake pads are engineered for rear motorsport applications where consistent brake balance and exceptional service life are essential. Designed for high-level GT and touring car competition, M192 delivers lower friction than a typical front race compound while maintaining predictable braking torque throughout extended running. This makes it an effective rear pad for controlling vehicle balance without introducing excessive rear brake bite. Its extremely low wear rate and excellent rotor life are particularly valuable in endurance racing, where avoiding an additional pad change can save significant time in the pits. M192 is capable of supporting long-duration events, including 24-hour competition, when correctly matched to the vehicle and braking system. Choose M192 for a professional rear endurance brake pad that prioritises consistency, component life and reliable race-long performance.

• Friction coefficient: 0.37–0.41µ
• Temperature range: 100–750°C
• Primary use: Rear endurance racing applications
• Vehicle type: GT3, GT4 and rear-wheel-drive touring cars

M207 – Heavy-Duty Professional Circuit Racing Brake Pad

Best suited to: Heavy, high-speed race cars, professional circuit competition and vehicles generating extreme brake temperatures.

CIRCO M207 brake pads are the heavy-duty option within the CIRCO circuit racing range, created for demanding professional motorsport applications where braking performance must remain consistent under severe thermal load. The compound delivers predictable brake torque across changing temperatures, helping maintain a stable pedal feel from the opening laps through to the final stages of a race. M207 is particularly suited to heavy, fast cars that place substantial energy into the braking system and require a pad capable of resisting fade under repeated high-speed stops. Its consistent response allows drivers to commit to braking zones with confidence rather than compensating for changing friction as temperatures rise. Choose M207 for serious circuit racing, high-downforce vehicles and professional applications where thermal capacity, repeatability and dependable braking torque are non-negotiable.

• Compound: Motorsport carbon-metallic formulation
• Primary use: Professional circuit racing
• Vehicle type: Heavy, fast and high-downforce race cars
• Key characteristic: Consistent brake torque across changing temperatures

M220 – High-Load Endurance Racing Brake Pad

Best suited to: GT3, GT4 and high-load endurance races lasting 12 hours or longer.

CIRCO M220 brake pads are developed for endurance teams that need predictable braking performance with exceptionally low pad and rotor wear. The lower-to-medium friction level provides smooth, repeatable brake torque that works effectively with modern motorsport ABS systems, helping reduce unnecessary intervention while preserving vehicle stability. M220 is designed to maintain consistent behaviour over extended periods, allowing the driver to rely on the same braking response through changing fuel loads, tyre conditions and race stints. Its outstanding wear characteristics make it particularly valuable in 12-hour and 24-hour events where reducing or eliminating brake pad changes can produce a major competitive advantage. Choose M220 for high-load endurance racing when component longevity, ABS compatibility and race-long consistency are more important than aggressive sprint-racing bite.

• Compound: Carbon metallic
• Friction coefficient: 0.37–0.41µ
• Temperature range: 200–900°C
• Primary use: GT and high-load endurance racing

Which CIRCO Brake Pad Compound Should You Choose?

• Performance street driving: S88
• Street driving with entry-level track use: S83 or S88
• Lightweight club race car or open-wheeler: S99
• Low-bite rear pad for a front-wheel-drive race car: S85L
• Modern ABS-equipped circuit car: M111
• Tarmac rally, gravel rally or versatile circuit competition: M119
• Time attack, supersprint or short-format racing: M127
• Rear endurance racing application: M192
• Heavy-duty professional circuit racing: M207
• GT racing and endurance events lasting 12 hours or longer: M220

Important: Motorsport brake pads may produce increased noise, dust and rotor wear compared with standard road pads. Dedicated racing compounds may also require correct bedding and sufficient operating temperature. Brake pad selection should consider vehicle weight, tyre grip, brake system design, intended use and front-to-rear brake balance.