Master Cylinder SAE Bubble Flare to SAE Inverted Flare 3/8-24. Universal 3/8-24 Male (Bubble Flare) to SAE 3/8-24 Female (Inverted Flare) Fitting -. This will allow you to connect your standard 3/16" brake tube with 3/8-24 inverted flare tube nut to a 3/8-24 female bubble flare port.
