The Earl's Vapor Guard(TM) product line has been expanded to include O.E. fuel line quick connect fittings. These adapter fittings allow an easy way to re-use existing OEM fuel rails, fuel filters, and other components when doing an engines swap, or upgrading to Vapor Guard(TM) (or other AN Plumbing). Each fitting has a -6 AN Male Flare, and a metal retainer nut for a secure leak-free connection to the 5/16" or 3/8" SAE style fuel tube. Constructed from 6061 T6 aluminum w/ black anodized finish.