The TFI Racing R203 is a brass compression nut designed to secure 3/8″ tubing within Ryco-style female BSP adaptor fittings. Made by TFI Racing from solid brass, this nut features the correct Ryco 3/8″ thread size and hex body for wrench-tightening, delivering reliable, leak-resistant connections in fluid systems. It’s commonly used in automotive, pneumatic, and industrial settings.

Part Number: R203