Earls 6AN to 5/16 Tube Adapter


The Earl's Vapor Guard™ 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 OE fuel rails, fuel filters, and other components when doing an engines swap, or upgrading to Vapor Guard™ (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.


  • Allows Easy Transition from AN plumbing to OE Late Model Fuel Rails, Fuel Filters and Other Fuel System Components
  • Material: 6061 Aluminum
  • Metal Retainer Nut is More Secure Than Plastic Clip
  • Black Anodized Finish
  • -6 AN Male Flare
  • Choose From Adapters that fit OE 5/16” or 3/8” Tube on Fuel Rails (and Other Components)
  • Economically Priced
  • Ideal for Use w/ Earls Vapor Guard™ Hose & Hose Ends
  • Slim Design for Extra Clearance