Available Brakepads FRONT RACING RT66 BREMBO B24 ASTON MARTIN AUDI R8 LMS HYUNDAI I30N TCR PORSCHE 992 GT3... SDT BRAKES Ref. 2591402RT €499.49 We manufacture our SDT Brakes Racing RT-66 car brakepads with a semi-metallic organic compound (RT-66), developed for racing and competition use. Ideal use on trackday and sprint races or climbing.