Radium Submersible Fuel Tubing, 5/16" x 6.5" stainless injector These anodized billet aluminum adapter

These anodized billet aluminum adapter fittings can be used in any application using an O-ring port (ORB=O-Ring Boss)

the user-friendly design ensures a smooth installation experience

from 90degree booted Bosch

Pac Racing High Frequency Beehive

And if you drill it out and tap half-inch UNC you need around

Radium Submersible Fuel Tubing, 5/16" x 6.5" stainless injector These anodized billet aluminum adapterDescription These fuel tubing kits are commonly used for plumbing in tank submerged fuel pumps. The flexible convoluted tubing is manufactured from PTFE and is therefore resistant to all fuel types including alcohol blends such as E85 and suitable for EFI fuel pressure. These tubes have been tested at Radium Engineering. Working Pressure: 300psi Burst Pressure: 450psi There are 2 inner diameter sizes available including 5 16" (8mm) and 3 8" (9. 5mm).