Corsport is now offering Techna-Fit Stainless Steel Brake Lines for a large majority of applications! All Categories All of Techna-Fit's assemblies are assembled in-house, meeting D.O.T. Certification. Techna-Fit brake line kits come complete with all of the fittings and bolts for easy assembly. One advantage is that Techna-Fit lines reduce volumetric expansion. Over time and under continuous use, OEM rubber lines can swell and expand, exposing the driver to brake fade. The rubber cover is also vulnerable to attacks from the ozone layer (rubber deteriorates and causes failure). In extreme applications (auto x, racing, hard driving) rubber hoses might be susceptible to debris, thus causing failure. Stainless steel hoses provide some added protection from these issues. At Corsport, Shipping is always free to the lower 48 states.