Pn# - INL14406 - 2pc 1968 Pontiac GTO Lemans Factory 4 Piston Caliper Disc Brake Hoses. Special End to Fit bracket GMHB17 - The only factory correct hose on the market to fit the shape of the factory bracket. No other hose will fit. This is for factory disc brake cars with 4 piston calipers only. Over the years this particular hose has been substuted and superseeded by many others that look the same and are the same length but at this point no lone have an end that fit in the factory bracket. The factory bracket is a round hole with a flat on it. All the General hoses have a star shape or oval shape and do not fit the original brackets. This is the only correct hose on the market. Inline Tube INL14406 - PAIR - 1968 GTO - Singe Front Disc Brake Hose with Silver Zinc Ends. 2pc.