INLINE TUBE OEM ZINC PLATED STEEL - BKB81J1 -82-87 Turbo T-type and Grand National ONLY G-Body Master cylinder to Proportioning valve Brake Lines 2pc set. Fits the following cars OnlyBuick - 82-87 Regal (Grand National or T-Type ONLY)This is the Master cylinder to proportioning valve lines. All Lines are preformed and ready to bolt into place. Identical to the originals, with all the correct fittings and wrap. Made in the USA by Inline tube and AMERICAN Manufacturing Company. These are all preformed ready to install.These are the details that separate the first place cars from the rest.We have the highest quality parts in the market place, period.