The Pagid - 8129 comes in the following compounds: If you are unsure what pad would work best for you, please do not hesitate to call us! RS-29 The Pagid Yellow (RS 29) racing compound combines the outstanding wear rate of the RS19 with a slightly higher coefficient of friction and initial bite. Based on the RS14, A slight reduction of the friction value improves the modulation (controllability). Nevertheless, the friction value is enough for cars without power-assisted brake system and ensures comfortable low effort on the brake pedal. Constant temperatures up to 600°C (1,100°F) are possible. This combination of friction value, fading stability and low wear rates on pads and discs (rotors) is unmatched. Due to its excellent release characteristics and controllability PAGID endurance materials are also often used for sprint races. Due to its excellent driveability PAGID endurance materials are also often used for sprint races. RST-4 The Pagid RST 4 Racing Brake Pads are a medium high-friction compound popularly used in Formula & Open Wheel cars, or as a rear-application for front-engined race cars. Features excellent initial bite, with a mild progressive torque curve. High heat tolerance is possible through a combination of steel and acrylic fibers. Featuring excellent modulation and release characteristics. Common Vehicle Fitments: Mazda Miata 1.8 NB (spec Miata) 94-00 Rear For more details on Pagid Racing products, including complete fitment guides, please go to our Pagid Brake Information Page.