These sintered brake pads are an excellent upgrade for 1/8th Rallycross and Truggy racers looking to prevent brake fade during long finals, when used in conjunction with a steel brake disc.Over time, a fibreglass brake disc can get contaminated with dirt and fuel and become polished, meaning the brakes won't feel as sharp as when the disc was new.Please note: Not to be used with fibreglass brake discs. Sintered brake pads are only compatible with steel brake disc eg