Description
Porterfield Rear Pads EVO X are engineered to deliver high-performance braking solutions tailored for both street and motorsport applications. Available in two distinct compounds—R4-S and R4—these pads cater to diverse driving needs, from daily use to extreme racing conditions.
- R4-S Compound:
- Ideal for high-performance street driving and heavy-duty conditions
- Maintains consistent braking performance without fade
- Rotor friendly with low dust and noise levels
- Designed for everyday use while effectively managing severe street demands
- R4 Compound:
- Original Carbon Kevlar formulation designed for motorsports
- Exceptional friction level of .50 across a wide temperature range
- Quick to reach optimal race temperatures (450°F and above)
- Minimal bed-in period required when paired with cast iron or steel alloy rotors
These Porterfield Rear Pads EVO enhance braking efficiency, resulting in quicker stops and extended lifespan compared to OEM options. The R4-S is perfect for enthusiasts who seek a balance of performance and comfort, while the R4 is tailored for competitive racing environments. Note that the R4 compound is not suitable for street use.



