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Earl's Expands Plumbing Line with Fuel Rail Adapters, Submersible Hose, Water Pump Adapters and more!

By: Skylar Drake11/26/2019 < Back to Blog Home
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Whether you're building a racecar, modifying an existing fuel rail or upgrading your in-tank fuel pump, Earl's Performance Plumbing has the tools and equipment you need! Featuring new electric water pump adapters for GM LS Engines, submersible Vapor Guard fuel hose and more, you can rely on Earl's for all of your high-performance plumbing needs. Read on to learn more! 


Electric Water Pump Adapters



These new billet block adapters allow the use of a Big Block Chevy electric water pump on the GM LS engine. These adapters feature (2) -12 AN O-ring female outlet ports for routing coolant back to the radiator. The 1/8" NPT port on the sides of the adapters allow a convenient hook-up for the steam tube outlet (eliminates modification of the radiator or water pump when installing the steam tube plumbing). This part includes the two-block adapters, gaskets, and mounting bolts.
  • Black anodized finish.
  • Use AN plumbing for the coolant return to the radiator.


  • Fuel Module Quick Connect



    Earls Fuel Rail & Fuel Module quick connect fittings allow an easy way to upgrade to billet fuel rails or an in-tank fuel module while retaining the stock OEM style fuel hose. These adapters have -8 AN O-ring boss port fittings on one end and the OEM style 5/16" fuel rail style connection on the other end. Stainless steel & aluminum construction.
  • Allows re-use of OEM fuel hose.
  • 90 Degree


  • OEM Fuel Hose Adapter Fitting



    Earl's OEM fuel hose adapter fittings are a slick easy way to use AN plumbing with late-model OE fuel rails & fuel lines.
  • One hand “click” connection to OE line.
  • Stainless steel construction.
  • Fits most vehicles w/ 5/16" fuel rail - SAE standard connection.


  • AN Port Plugs w/ Modern Design


    These new AN port plugs feature a slim, modern lightweight design with an internal Allen head hex. The design of these plugs is more attractive than traditional port plugs, and they are available in blue or black anodized finish. Made from 2024 Aluminum. The -3 AN to -6 AN sized plugs are available in pairs and the larger sizes are sold individually.
  • Includes o-ring.
  • More attractive than traditional hex head style port plugs.


  • O.E. Fuel Line EFI Quick Connect



    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 OEM 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.
  • Metal retainer nut is more secure than plastic clip.
  • Slim design for extra clearance.


  • Submersible Vapor Guard™ Hose


    Earls Vapor Guard™ submersible fuel hose is ideal for use inside fuel tanks to attach the in-tank fuel pump or pickup. Most other fuel hoses are designed to handle fuel only the inside of the hose & can cause damage to the hose when submerged in fuel. Ideal for use w/ race gas, pump gas, alcohol & ethanol blend gasoline, biodiesel, and diesel fuel. Available in 5/16” or 3/8” sizes and sold in 2-foot lengths.
  • Exceeds SAE 30R10 standard.
  • Maximum working pressure: 100 PSI.
  • Temperature range: -40⁰ F to 302⁰ F


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