Professional Racing Friction Technical Specifications
Are you wondering which Raybestos Racing friction formulation is the best fit for you? We have you covered. Below, you will find the following information:
- Graph charting the coefficient of friction at different rotor temperatures for each Racing formulation
- Description of each racing formulation including their response, torque and wear rate
- Recommendation for the ideal application of each formulation
Racing Friction Effectiveness
Formulas are ordered by the highest average friction coefficient
ST47- Highest Overall Torque for Professional Racing
- Immediate cold response with very high torque at all temperatures
- Extremely low wear rate and very low taper
- Ideal for the most severe asphalt short tracks, road courses and other high-friction applications
ST41- High Torque, Fast Recovery for High-Repetition Stops, Extreme Heat
- Aggressive cold initial bite with increased torque at high temperatures
- High fade resistance with fast recovery during repeated high-temperature stops
- Low wear rate
- Ideal for asphalt short tracks, road courses and other high-friction applications
ST45- Durable, High-Speed Braking
- Consistent, mid-to-high-level friction
- Extremely low wear rate and high fade resistance
- Ideal for endurance races, heavy braking asphalt ovals and road racing
ST38- Medium to Heavy Braking, Asphalt and Dirt
- Consistent, mid-level torque at operating temperature
- Predictable response, low wear rate and gentle on rotors
- Formulated for sportsman-class asphalt, dirt ovals and off-road applications
ST43- Medium to High Friction
- Predictable torque increase with temperature
- Fade-resistant throughout the temperature range
- High initial bite and medium wear rate
ST44- Consistent, Medium Friction at All Temperatures
- Consistent, repeatable pedal response throughout the temperature range
- Softer, less aggressive friction curve
- High fade resistance and medium wear rate
- Ideal multi-use friction for a wide variety of applications
ST31- Autocross to Light Duty Track
- Low-to-mid-level compound with consistent, linear response
- Formulated for low-energy input, low average torque
- Low wear rate
ST77- Street to Autocross
- Street-to-track compound with an exceptional linear response
- Formulated for quiet, consistent performance
- Ideal for big-brake street kits
- Medium wear rate