Proflow Bulkhead Adaptor AN Flare 45 Degree Flare -10AN, Black Clamps and Ties Proflow's billet overflow tanks are

Proflow's billet overflow tanks are constructed from high quality 5 mm thick aluminium tubing with welded end caps

Easily attach your carburettor with Proflow’s carb mount return spring kits

Each fuel rail is precision CNC machined from extruded 6063 aluminium with a large internal diameter bore with -8ORB ports on each end and anodized black

10mm (3-3/64")

Any bigger you are required to buff down the outer insulator slightly

Proflow Bulkhead Adaptor AN Flare 45 Degree Flare -10AN, Black Clamps and Ties Proflow's billet overflow tanks arePart Number : Proflows bulkhead AN adaptors come in straight, 45 or 90, perfect for the side of a panel or through a firewall. Theyll connect those lines together while holding them securely to the panel.