1969-70 Chevrolet Impala Biscayne Power Disc Conversion Brake Line Set Kit - 7pc Stainless Steel 1969-70 Chevrolet Car (all Models) Power Disc Brake Conversion Kit - brake line set comes with 2 master cylinder lines, right and left front lines, front to rear brake line and right and left axle line - this is the complete hard line set. This is not for the stock car it is for cars that have disc brake or dual master conversions.