That looks very similar to the banjo bolt fittings on the rear wheel cylinders on my '51 with Bendix brakes.
With the exception the banjo bolt is bored and and machined for a 1/4 inverted flare fitting.
Phil Moderator, The Engine Shop, Interiors and Project Journals
1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes Project Journals Stovebolt Gallery Forum
