Description
The Porterfield Rear Brake Pads for the GTO (1990-1992) are engineered for precision braking performance, available in two distinct compounds tailored for specific applications. These pads provide exceptional stopping power for both high-performance street driving and heavy-duty motorsports.
- Options: R4-S for street performance; R4 for motorsport applications
- R4-S: Ideal for everyday driving with high-performance capabilities, low dust and noise production
- R4: Original Carbon Kevlar formulation, suitable for a wide range of track conditions with minimal bed-in time
- Friction levels: R4-S maintains high friction under severe street use; R4 operates optimally at temperatures of 450°F and above
- Rotor compatibility: Designed to work seamlessly with cast iron and steel alloy rotors
These pads are perfect for tuners looking to upgrade their braking system without sacrificing street usability. The R4-S offers a quiet, low-dust solution suitable for performance-oriented daily drivers, while the R4 excels in competitive environments, ensuring rapid warm-up and consistent braking performance. Note that the R4 is not recommended for street use due to its higher dust and noise levels.


