Edelbrock/Russell 670340 Red and Blue Anodized Aluminum -6AN Fuel Pressure Take Off Fitting
The Edelbrock/Russell Fuel Pressure Take Off Adapter Fittings are made from light-weight aluminum and allow for the connection of hose ends to other components like oil pumps, fuel pumps and fuel filters.  These fittings are designed to match up with all Russell hose and hose ends.  They assure positive sealing and come in a corrosion-resistant finish.  These fittings allow the pressure to bleed off to facilitate the checking of fuel pressure.  It has a 1/8" NPT (National Pipe Tapered) side port.