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.\n\nProduct details:\n-6AN O-Ring Boss to 5/16" Hose Barb\nIncludes O-ring\nBlack anodized finish