Earl's UltraPro Hose End

-6 Crimp-On (Swivel) 45° Bent Tube Hose End - Fits Carburetors w/ 7/8"-20 Threads on the Fuel Bowls

PART# 644469ERL

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$27.72   Suggested Retail
$22.46   Holleydays Price
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UltraPro carburetor hose ends attach the UltraPro hose directly to most Holley carburetors w/ 7/8"-20 threads on the fuel bowl. These -6 AN crimp-on style port hose ends eliminate the bowl adapters & traditional hose end for simpler plumbing and extra clearance. Choose from hose ends with Straight, 30°, 45°, 60°, or 90° bent tube style construction for increased fuel flow. Aluminum w/ black anodized finish. UltraPro AN hose is ideal for use with all types of fuels.


  • Crimp-On Hose End That Attaches Directly to Most Holley® Carburetors – w/ 7/8”-20 Threads on the Fuel Bowl
  • Eliminates the Need for Special Carburetor Fuel Lines, Float Bowl Adapters & Standard Hose Ends
  • Compact Design Provides Extra Clearance & Simplifies Fuel Connection to Your Carburetor
  • Crimp Style Assembly – Requires Crimping Machine to Attach UltraPro AN Hose to Hose End
  • Use w/ -6 AN UltraPro Hose
  • Choose from Straight, 30°, 45°, 60°, or 90° Bent Tube Style Hose Ends – For Increased Fuel Flow
  • Aluminum w/ Black Anodized Finish
  • Each Hose End Includes the Float Bowl Gasket
  • Ideal for Use on 2-Barrel, 4 barrel & Multi Carburetor Setups
  • UltraPro Hose is Ideal for Use w/ All Fuels – No Issues w/ Fuel Permeation


Angle45 Degree
Assembly MethodCrimp On
Compatible HoseUltraPro
Emission Code5
FinishAnodized Black
Hose End FamilyUltraPro - Crimp On
Hose End Series68
Hose End Size6 AN
Product TypeCarburetor Hose End
Part Number644469ERL


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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

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