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Deal.ai › Earl's Performance
Earl's Performance
Earl's Performance AN to O-Ring Boss Adapter Fittings

Earl's Performance AN to O-Ring Boss Adapter Fittings

Best price now

$18.95at EFISystemPro.ComChecked Nov 9

Compared across 14 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $18.95 at EFISystemPro.Com on Nov 9.
  • Checked at 14 stores.

Our take on the Earl's Performance AN to O-Ring Boss Adapter Fittings

This is a single adapter fitting that joins a -8AN male flare to a -8AN O-ring boss (ORB) male port. It is machined from aerospace-grade aluminum with a contoured port end for smoother flow and a black anodized finish. It suits fuel, oil and coolant plumbing on race and street builds where a hose end must meet a threaded port. Compared with generic brass or mild-steel adapters, it is lighter and more precisely toleranced, but it is aluminum, so it is not the choice for high-vibration or very high-pressure hard-line joints.

Best forPlumbing a -8AN hose end into an ORB portFuel, oil and coolant lines on race and street buildsBuilders who want lightweight aluminum fittingsMatching an existing Earl's -8AN system
Pros
  • Precision-machined threads and flare seat
  • Aerospace-grade aluminum alloy
  • Contoured port end for smoother flow
  • Black finish resists corrosion and looks clean
  • Legal for sale and use in all 50 states
Cons
  • Aluminum is easier to strip or gall than steel
  • Only one fitting per pack, so a full build needs several
  • No O-ring included in the listing
  • No pressure rating stated

Earl's Performance AN to O-Ring Boss Adapter Fittings prices at every store

  • EFISystemPro.ComNew

    In stock

    $18.95Free shippingChecked Nov 9
    Visit EFISystemPro.Com
  • MadRacingParts.comNew

    In stock

    $18.95Checked Nov 9
    Visit MadRacingParts.com
  • Real Street PerformanceNew

    In stock

    $18.95Free shippingChecked Nov 9
    Visit Real Street Performance
  • Pit Stop USANew

    In stock

    $18.95Checked Nov 9
    Visit Pit Stop USA
  • Brian Tooley RacingNew

    In stock

    $18.95+ $3.99 shippingChecked Nov 9
    Visit Brian Tooley Racing
  • Speedway MotorsNew

    In stock

    $18.95+ $10.99 shippingChecked Nov 9
    Visit Speedway Motors
  • Winners Circle Speed and CustomNew

    In stock

    $18.95+ $12.99 shippingChecked Nov 9
    Visit Winners Circle Speed and Custom
  • eBayNew

    In stockSold by speed--tech

    $18.95+ $13.95 shippingChecked Nov 9
    Visit eBay
  • Summit RacingNew

    In stock

    $18.95+ $13.99 shippingChecked Nov 9
    Visit Summit Racing
  • JEGS High PerformanceNew

    In stock

    $18.95+ $15.99 shippingChecked Nov 9
    Visit JEGS High Performance
  • LMPerformanceNew

    In stock

    $36.60Checked Nov 9
    Visit LMPerformance
  • Behrent's Performance WarehouseNew

    In stock

    $18.95+ $19.95 shippingChecked Nov 9
    Visit Behrent's Performance Warehouse
  • HolleyNew

    In stock

    $18.95+ $36.90 shippingChecked Nov 9
    Visit Holley
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $26.88+ $11.95 shippingChecked Nov 9
    Visit Amazon

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Earl's Performance AN to O-Ring Boss Adapter Fittings price history

Lowest price we've seen: $18.95 on Nov 9 at EFISystemPro.Com. Tracked across 14 stores since Nov 9.

From Brian Tooley Racing

  • -8AN male to -8AN ORB male adapter fitting
  • Manufactured from an aluminum alloy meeting and exceeding aerospace minimum requirements
  • Precision-machined to exacting tolerances for trouble-free, long-lasting performance
  • Contoured port end for maximum flow
  • Black finish
  • EMS Code 4: legal for sale and use in all 50 states
Materials
Aluminum alloy
Fit
-8AN male to -8AN ORB male
Shipping
Ships directly from manufacturer; estimated ship date TBD. Free shipping on orders over a stated threshold, exclusions apply.

About the Earl's Performance AN to O-Ring Boss Adapter Fittings

This adapter fitting connects a -8AN male end to a -8AN male O-ring boss (ORB) end. It is made from an aluminum alloy that meets and exceeds aerospace minimum requirements.

The fitting is precision-machined to exacting tolerances. The port end is contoured to allow maximum flow, and the finish is black.

Brand
Earl's Performance
Material
Aluminum alloy
Fit
-8AN male to -8AN ORB male
Finish
Black
Port end
Contoured for maximum flow
Legality
EMS Code 4: legal for sale and use in all 50 states

Questions and answers

What does -8AN to -8AN ORB mean?
The -8AN side is a 37-degree male flare that takes a -8AN hose end. The ORB side is a straight male thread that seals with an O-ring against a boss port. Both ends are size 8, roughly 1/2 inch.
Does it come with the O-ring?
The fitting is sold as the adapter alone. You supply the O-ring for the ORB side, so check the port's spec before installing.
Can I use it for brake lines?
It is intended for fuel, oil and coolant plumbing. Aluminum adapters are generally not recommended for high-pressure brake systems, where steel is the safer choice.
Will it fit a -8AN hose end from another brand?
Yes, AN flare sizes are standardized, so any quality -8AN hose end should seat on the flare. Check thread engagement and use a proper AN wrench to avoid marring the aluminum.
Is it legal on emissions-controlled vehicles?
The manufacturer lists EMS Code 4, meaning it is legal for sale and use in all 50 states. That covers the part itself; your vehicle's overall emissions compliance is separate.
Where is the Earl's Performance AN to O-Ring Boss Adapter Fittings cheapest?
At EFISystemPro.Com, for $18.95, as of our latest check.
Where can I buy the Earl's Performance AN to O-Ring Boss Adapter Fittings?
14 stores we checked sell it, including EFISystemPro.Com, Brian Tooley Racing, Summit Racing, Holley, eBay.

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