INLINE TUBE OEM ZINC PLATED STEEL - PFB69R1 1969 Firebird Rear Drum Brake Axle Housing Brake Lines. Complete Preformed Brake lines 2pc.for factory rear drum brakes 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. Our parts are developed by people in the United States who know these cars.