StopTech has an excellent solution for your old, rubbery lines that may very well be falling apart on you, and you don't even know it! These are an excellent and inexpensive solution to fixing that spongy brake pedal feel, and will help your car with much more repeatable and consecutive results, even as the brakes heat up.
Fits 1998-2005 Lexus GS300, GS400, GS430/Aristo, and 2001-2010 Lexus SC430 / Soarer. Includes both front lines for 1 vehicle.