Natural Finish Inverted Flare Plug for Double-Sided Master Cylinders 3/8"- 24

Double-Sided Master Cylinder Plug Inverted Flare Nut 3/8"- 24 Port Block off

Racing Power (RPC) R3597 Inverted Flare Plug 7/16-24

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3/8 In-24 Inverted Male Flare Plug for Master Cylinder Ports

Cotonlake 3AN Male to AN3 3/824 UNF Male Inverted Flare Stainless Steel Brake...

Inverted Flare Fitting | 1/8 Inches MNPT Tube Size 5/16 In. Tubing Outside Dia.