Description
Introducing the Porterfield R4 brake pads, engineered specifically for high-performance applications, fitting Toyota Supra JZA80 (Jap Spec) and Aristo. These pads are designed to deliver exceptional stopping power across a range of conditions, making them ideal for both aggressive street driving and demanding motorsport environments.
- R4-S fast road compound offers up to 0.41 friction level for rapid stopping response.
- Low noise and dust levels, surpassing OEM standards for a cleaner experience.
- Prolonged fade resistance under heavy use, suitable for everyday driving and occasional track days.
- R4 race compound maintains an average of 0.50 friction level across a wide temperature range.
- Superior heat absorption and dissipation properties extend rotor life and minimize fade.
The R4 pads excel in high-boost builds, road courses, and motorsport events, providing consistent modulation and excellent feedback. Crafted from advanced Carbon Kevlar materials, the R4 ensures quick warm-up times, making them perfect for competitive scenarios. Designed for durability, the pads require minimal bed-in time and are compatible with cast iron and steel rotors.
Upgrade to Porterfield R4 pads for reliable, high-performance braking that meets the demands of both street and track.






