StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › Radium Engineering
Radium Engineering
Radium Engineering Universal 8AN Orb to 5/16 SAE Male

Radium Engineering Universal 8AN Orb to 5/16 SAE Male

Best price now

$18.95at Vivid RacingChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Vivid Racing

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $18.95 at Vivid Racing on Nov 12.
  • Our take on the Radium Engineering Universal 8AN Orb to 5/16 SAE Male

    This is a small aluminum adapter fitting that converts a -8AN ORB (3/4"-16) O-ring port to a 5/16-inch SAE male flare. Radium builds it for its own fuel rails, surge tanks and fuel pressure regulators, and it threads into any port with the same -8AN ORB spec. It is a plumbing part, not a performance upgrade on its own, so it suits people assembling or adapting a fuel system who already know their thread sizes. Compared with generic AN-to-SAE adapters, the appeal is the matched O-ring sealing and Radium's fit with its own fuel hardware.

    Best forBuilding or adapting a Radium fuel rail, surge tank or regulatorConverting a -8AN ORB port to a 5/16 SAE flare lineFuel system plumbing where an O-ring port seal is wanted
    Pros
    • Fits any -8AN ORB (3/4"-16) O-ring port
    • Converts to a 5/16-inch SAE male flare
    • Matches Radium fuel rails, surge tanks and regulators
    • O-ring port sealing rather than tapered pipe thread
    Cons
    • Single small fitting, not a kit
    • Only works with 5/16 SAE line, not 3/8 or 6AN hose
    • Needs the correct O-ring and torque to seal
    • Easy to cross-thread an aluminum fitting

    Radium Engineering Universal 8AN Orb to 5/16 SAE Male prices at every store

    • Vivid RacingNew

      In stock

      $18.95+ $35.50 shippingChecked Nov 12
      Visit Vivid Racing

    Radium Engineering Universal 8AN Orb to 5/16 SAE Male price history

    Lowest price we've seen: $18.95 on Nov 12 at Vivid Racing. Tracked across 1 store since Nov 12.

    About the Radium Engineering Universal 8AN Orb to 5/16 SAE Male

    This adapter fitting connects an 8AN ORB port to a 5/16-inch SAE male fitting. It is made for fuel system upgrades. The ORB end has 3/4"-16 threads.

    It can be used with Radium products such as fuel rails, surge tanks and fuel pressure regulators. It is also compatible with any application that uses a -8AN ORB (3/4"-16) O-ring port.

    Brand
    Radium Engineering
    Port end
    8AN ORB, 3/4"-16 thread
    Other end
    5/16-inch SAE male
    Compatibility
    Radium fuel rails, surge tanks and fuel pressure regulators; any -8AN ORB (3/4"-16) O-ring port

    Questions and answers

    What does this adapter actually convert?
    It takes a -8AN ORB port, which is a 3/4"-16 O-ring boss thread, and gives you a 5/16-inch SAE male flare outlet. That lets you run a 5/16 SAE hard line or fitting off an ORB port.
    Will it fit my Radium fuel rail or regulator?
    Radium lists it for its fuel rails, surge tanks and fuel pressure regulators that use -8AN ORB ports. Check that your port is -8AN ORB (3/4"-16) before ordering.
    Does it work on non-Radium parts?
    Yes, as long as the port is a standard -8AN ORB (3/4"-16) O-ring boss. The thread spec is what matters, not the brand.
    Do I need an O-ring with it?
    ORB ports seal on an O-ring at the base of the fitting, so use the correct O-ring for the port. A missing or damaged O-ring is a common cause of leaks.
    Can I use it with 6AN or 3/8-inch line?
    No. The outlet is 5/16-inch SAE male, so it matches 5/16 SAE line and fittings. For larger line you need a different adapter.
    Where is the Radium Engineering Universal 8AN Orb to 5/16 SAE Male cheapest?
    At Vivid Racing, for $18.95, as of our latest check.

    More from Radium Engineering

    • R
      Radium Engineering Fuel Hanger For Walbro GSS342 or AEM 50-12 Acura Integra 1992-2001 / Honda Civic 1992-2000 | 20-0790-00
      Radium Engineering Fuel Hanger For Walbro GSS342 or AEM 50-12 Acura Integra 1992-2001 / Honda Civic 1992-2000 | 20-0790-00
    • R
      Radium Engineering 10AN ORB to M12x1.5mm Female
      Radium Engineering 10AN ORB to M12x1.5mm Female
    • R
      Radium Engineering AN ORB to AN Adapter Fittings (14-0245)
      Radium Engineering AN ORB to AN Adapter Fittings (14-0245)
    • R
      Radium Engineering 8AN ORB Fittings
      Radium Engineering 8AN ORB Fittings
    • R
      Radium Engineering 8AN ORB to 6AN Male Fitting
      Radium Engineering 8AN ORB to 6AN Male Fitting
    R
    Radium Engineering 8AN ORB to M12X1.5 Female Fitting
    Radium Engineering 8AN ORB to M12X1.5 Female Fitting
  • R
    RADIUM Engineering 14-0245 6AN ORB 8AN M
    RADIUM Engineering 14-0245 6AN ORB 8AN M
  • R
    Radium Engineering 8AN ORB To 10AN Male
    Radium Engineering 8AN ORB To 10AN Male
  • All Radium Engineering deals and products →

    More an orb fittings

    • I
      ICT Billet 3/8" Quick Connect Male Fuel Hose to 6AN ORB Adapter Fitting
      ICT Billet 3/8" Quick Connect Male Fuel Hose to 6AN ORB Adapter Fitting
    • I
      ICT Billet 5/16" Quick Connect Male Fuel Hose to 6AN ORB Adapter Fitting
      ICT Billet 5/16" Quick Connect Male Fuel Hose to 6AN ORB Adapter Fitting
    • I
      ICT Billet 3/8" Quick Connect Male Fuel Hose to 8AN ORB Adapter Fitting
      ICT Billet 3/8" Quick Connect Male Fuel Hose to 8AN ORB Adapter Fitting
    • R
      RHP 8291-10-10-2 8291 Series AN To ORB Fuel Hose Adapter
      RHP 8291-10-10-2 8291 Series AN To ORB Fuel Hose Adapter
    • I
      ICT Billet 3/8" Quick Connect Male Fuel Hose Line to 10AN ORB Adapter Fitting
      ICT Billet 3/8" Quick Connect Male Fuel Hose Line to 10AN ORB Adapter Fitting
    • I
      ICT Billet -8AN Flare to 6 Oring ORB Male Fuel Pump Rail Adapter Fitting
      ICT Billet -8AN Flare to 6 Oring ORB Male Fuel Pump Rail Adapter Fitting
    • I
      ICT Billet -8AN Flare to 12 Oring ORB Male Fuel Pump Rail Adapter Fitting
      ICT Billet -8AN Flare to 12 Oring ORB Male Fuel Pump Rail Adapter Fitting
    • H
      HPS AN920-03-04 AN Male To O-ring Boss (ORB) Port Thread Male Adapter Fitting
      HPS AN920-03-04 AN Male To O-ring Boss (ORB) Port Thread Male Adapter Fitting