1957 Chevrolet Bel Air: Brake Line Kit Disc Front Steel (8 pce)This 8 piece brake line kit for the 1957 Chevrolet Bel Air features OE steel construction and includes all necessary metal brake lines for a disc brake conversion. Designed with a proportioning valve at the master cylinder, the front to rear lines run outside the frame. The kit covers master cylinder lines, left and right front crossover lines, intermediate lines, and rear axle trailing arm lines, providing a complete replacement solution for your