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Earls AT604734ERL Adjustable 45 Degree -4 AN Nut -4 AN Hose End
Earls AT604734ERL Adjustable 45 Degree -4 AN Nut -4 AN Hose End

Earls AT604734ERL Adjustable 45 Degree -4 AN Nut -4 AN Hose End

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Earls AT604734ERL Adjustable 45 Degree -4 AN Nut -4 AN Hose End
Earls AT604734ERL Adjustable 45 Degree -4 AN Nut -4 AN Hose End
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We estimate this item will ship on or before April 2nd.
Part # 425AT604734ERL
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Earls Performance to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


AN Size:
-4 AN
45 degree
Fitting End A:
-4 AN Female
Fitting End B:
-4 AN Hose
Assembly Method:
Material Type:
MFG. Part #:
Sold in Quantity:
GTIN Code:
Hose Style:
Earl's Speed-Flex Hose


Remove the guess work out of hose compatibility issues! PTFE lined hose is inert so it will perform with any type of liquid, air or gas in a car or boat - including harsh pump fuel additives and Ethanol blends. Add these new Ano-Tuff Speed Seal hose ends to your Speed Flex hose and the entire assembly is protected. Hard anodized Speed Seal hose ends and Earl's Speed Flex hose are the perfect combination for any race, street or marine environment.

  • Reliable And Reusable
  • Unmatched Range-Configurations
  • Excellent Pressure Capacity
  • Use with Earl's Speed Flex Smooth Bore PTFE Hose Only
  • Impervious To Any Fuel Blend
  • Reduces Brake Line Swell
  • Hard Anodized Ano-Tuff

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • Visit the Toolbox

    The Toolbox is Speedway Motors' hub for professionally written articles.

  • Since the invention of stainless braided rubber hose, racers and hot rodders have been fighting the problem of installing it into the AN fitting socket. Now, Koul Tools make it easy.
  • Dick from Koul Tools shares a tip on how to properly seat the AN fittings using the Koul Tools device.
  • What fittings should you use with your brake or fuel system? What does AN and NPT stand for? All of these questions plus more will be answered in Speedway Motors' latest article about fasteners!
  • Learn how to assemble AN push-on hose ends the right way. It sounds simple enough, but doing this wrong can cause all number of issues down the road.
    Learn More

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