CTS is proud to release our -6AN O-Ring Boss to 5/16″ Hose Barb Fitting. With a -6AN O-ring boss connection and a 5/16″ hose barb on the other end this fitting makes custom fuel setups a breeze.nnProduct details:n-6AN O-Ring Boss to 5/16″ Hose BarbnIncludes O-ringnBlack anodized finish