GREX Brake Systems are designed as full competition-spec. brake kits suitable for street use. Each application-specific GREX Brake System kit will work with a wide variety of wheels. Lightweight 4 aluminum calipers are designed to be as compact as possible and are stylishly protected by either the classic GREX Gold hard anodized finish. Large lightweight GREX two-piece rotors use an anodized, duralumin bell housing to prevent rusting and scratching. The finest quality Earl's Teflon® lined stainless braided brake hoses are also included for maximum performance and reliability.