Raybestos — Raybestos RC 572 Brake Pads, GS300, SC300, SC400, Supra

Raybestos ST42

Lower mu than ST-41 and ST-43. Extremely stable average and in stop output over a wide temperature range. Has been very successful when used on the rear brakes in conjunction with the ST41 on the front. Best high-temperature wear of all their materials.

Raybestos ST43

Excellent wear rate on rotors and pads. Friction level between ST-47 and ST-42. This is the most popular compound for HPDE, Open Track and Endurance racing.