High quality Earl's stainless steel brake hose set, for 1975 Opel Big Brake Calipers to fit either Opel GT Or Kadett B with Disc Brake upgrade to 1975 Big Brake Conversion. Set of 3 for front and rear. Includes hoses plus special end fittings. Note: Mounting holes inside diameter (on suspension cross member) will need to be enlarged to fit new end fittings.