Important Product Information How to Install Brake Lines for: 2001 Chevrolet Silverado 2500HD/3500 Brake Lines, 2002 Chevrolet Silverado 2500HD/3500 Brake Lines 2001 GMC Sierra 2500HD/3500 Brake Lines, 2002 GMC Sierra 2500HD/3500 Brake Lines Click here for installation video!