Here you have one, BSA Breather hose adaptor made from solid stainless steel.

Produced as a direct replacement for the original.

Key Features

Part Number: 57-3756

Material: Stainless steel

Dimensions (Approximate, for Identification Purposes):

• Outer Diameter (shaft): 5/16" (7.9 mm)
• Outer Diameter (Base): 13/16" (20.6 mm)
• Overall Height: 1" Inch (25.4 mm)
• Thread: 1/4" x 20 TPI

Note: Measurements are approximate and unfitted. Please verify compatibility with your model.

This part will fit the following models:

BSA - A75 and Rocket 3

Triumph - T150, T160 & X75

This part may fit other models but please check your part number and dimensions .

This item is made using CNC manufacturing in England by CPC Engineering with high-quality stainless steel.