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Nitrous Outlet fuel line adapter fittings will keep your line securely threaded and tapped into your fuel system. The adapters are machined from billet aluminum with a natural or black anodized finish. Some models are laser-etched with the Nitrous Outlet N2O logo. Most include a 1/8 in. x 4 AN fitting, and an 1/8 in. NPT port—ideal for installing a fuel pressure switch or gauge. Connect your fuel line, fuel rail, and fuel solenoid for performance with Nitrous Outlet adapter fitting. Order the size, attachment style, and other options needed to plumb your application.
( 4 )
$65.99
$56.09
NOS late model billet fuel line adapters eliminate cutting, drilling, and modifications when installing nitrous on a late model fuel injected vehicle. These black anodized adapters will ease some of your plumbing problems. Simply disconnect the OE fuel hose and install an adapter between the OE fuel rail and fuel hose. The adapters include 1/8 in. NPT ports and are available in multiple fitting sizes.
( 7 )
$62.45
Installing a nitrous system on a newer EFI vehicle can be quite a hassle. Nitrous Express late model billet fuel line adapters can help you with that. They feature a high-flow design that makes the chore of tapping factory fuel systems safe and easy. No cutting or drilling—just a quick, simple attachment that takes only minutes. The adapters have two female 1/8 in. NPT outlets and include a fitting for use on 3/8 in. and 10mm fuel lines.
Not Yet Reviewed
$91.48
Moroso EFI fuel return line kits will allow you to convert to fuel injection without welding a return line or fitting into the gas tank. Just cut a 2.75 in. section out of any 2 in. fuel tank filler tube neck, and insert the billet aluminum adapter. Use the included Buna-N sleeves and four stainless steel hose clamps to seal the connection on each end of the adapter. They include a 3/8 in. aluminum fitting with a smooth 90 degree bend to direct fuel downward into the tank.
( 19 )
$69.99
On Sale
These Aeromotive Ford fuel tank return line adapters are just what you are looking for. Aeromotive builds these fittings with the same quality standards as their other products--second to none. Their billet aluminum construction will resist corrosion, even when exposed to fuel, and they fit in the stock fuel pump location. Don't mess around anymore--go straight to the source with these Aeromotive Ford fuel tank return line adapters.
( 3 )
$72.65
$65.38
Earl's Performance transmission cooler line adapters make your plumb job easier. Integrating into the transmission and adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines cannot. These adapters are available for many plumbing situations and custom applications. They're machined from high-quality materials, including nickel plated steel or billet aluminum with a black anodized finish, and have high-pressure capabilities. Order the adapter size and configuration needed for your application.
( 33 )
$70.79
Earl's Performance quick-connect fuel rail adapter fittings are a slick, easy way to use AN plumbing with late model OE fuel rails and fuel lines. Each quick-connect features two reusable metal retainers that won't break or melt. The secondary retaining clip is attached to the fitting on a tether chain. These fittings are available in a variety of sizes, materials, finishes, and attachment styles. Product features: * One-hand "click" connection to OE line * Metal internal and external retainer provides a reliable and reusable fuel connection that cannot snap loose or melt like some plastic retainers * O-ring material developed specifically for the same application on factory vehicles to tolerate today's fuel additives and E85 * Tether chain keeps secondary retainer clip attached to the adapter, so it's always handy (installed retainer can also be safety wired to adapter for additional safety) * Fits most vehicles with 3/8 in. fuel rail and SAE standard connection
( 4 )
$99.95
Trying to tap the fuel rail? Nitrous Express has the answer. These trick billet aluminum adapters allow the fuel injector rail on all return-less style engines to be tapped for nitrous usage or a fuel pressure gauge. The high-flow adapters have dual outlets for multiple uses. They're available in different sizes and attachment options.
( 14 )
$61.41
Radium Engineering split-flow flex fuel sensor adapters allow implementing an ethanol content sensor into a high-flow fuel line. The design has dual passages that the fuel can flow through, so there is no loss in fuel flow. These adapters can be used on feed or return fuel lines. 10 AN female ports will require adapters to match the hose in the vehicle.
( 1 )
$94.95
On Sale
Your fuel line is the connection to your fueling system and, with the proper connections, should deliver the right amount of fuel at the correct rate to power your performance ride on the strip or street. Fragola Performance Systems offers high performance fuel line kits for the most popular carburetors. These premium fuel line kits consist of strong braided stainless steel lines and aerospace-quality aluminum fittings that are "bright-dipped" for corrosion resistance and lasting appeal. Fragola fuel line kits arrive completely assembled with a high-flow adapter and a special plugged cap with a provision for a fuel pressure gauge. These fuel line kits are designed with an easy system of detachment, allowing you to make quick jet changes at the track. Feed your power racer with American-made Fragola Performance Systems fuel line kits--you'll be glad you did.
( 31 )
$56.99
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$115.99
$51.29
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$110.19
On Sale
Aeromotive fuel rail fitting adapters are designed to fit your stock return lines and fuel rails. They're made of CNC-machined stainless steel or billet aluminum for durability against any type of gasoline. The adapters use the factory spring lock design with an outlet made in an AN size specifically for braided stainless steel hose. Order the fitting size, style, and finish needed for your applications.
( 17 )
$56.75
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$118.25
$51.08
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$106.42
Holley fuel rail adapter fittings are designed to connect Holley fuel rails to a GM factory fuel line. They're machined from aluminum (black anodized) or steel (yellow dichromate), and are available in different sizes, angles, and attachment options.
( 3 )
$52.25
On Sale
Nitrous Outlet billet fuel rail adapters are machined aluminum fittings designed to provide a safe and simple way to tap into a vehicle's existing fuel line for a nitrous system—without needing to cut, drill, or modify the factory fuel rail. These adapters install between the factory fuel rail and fuel line, creating an accessible port to supply fuel to the nitrous system's fuel solenoid, often with additional ports for gauges or switches. They're available for a variety of applications, including many Ford, Nissan, and Chevy vehicles from 1999 and up.
( 1 )
$62.99
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$97.99
$53.54
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$83.29
On Sale
Waterman gear fuel pump flange fittings provide easy hook-ups for your fuel line. Available in multiple attachment types, they're made from aluminum, given a black anodized finish, and are fully compatible with all common fuel types. Order the fitting sizes needed for your application.
Not Yet Reviewed
$84.99
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$100.99
$52.50
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$90.89
On Sale
Aeromotive Spur Gear fuel pump flange fittings provide easy hook-ups for your fuel line. Available in multiple attachment types, they're made from aluminum, given a black anodized finish, and are fully compatible with all common fuel types. Order the Spur Gear fuel pump flange fitting best suited to fit your application.
Not Yet Reviewed
$79.00
$71.10
On Sale
These Quick Fuel carburetor fuel lines are designed to keep the guesswork out of carburetor hookups. They come available for multiple brands of carburetors and in different forms for a variety of applications.
( 99 )
$94.95
Don't leave your fuel line un-terminated--connect it to your fuel cell or tank with these Summit Racing™ fuel cell bulkhead adapters. The anodized aluminum adapters won't restrict fuel flow and come with two PTFE washers.
( 58 )
$100.99
Summit Bucks
Replace your original fuel lines with Russell Performance pre-fitted fuel pump to carburetor kits. These universal, easy-to-install kits are available for several applications. Russel fuel hose kits include big bore carb bowl fittings, fuel pump adapters, two aluminum, red/blue anodized full flow hose ends and a pre-cut length of ProFlex braided hose. Do your plumbing right with Russell pre-fitted fuel pump to carburetor kits.
( 10 )
$51.95
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$61.95
On Sale
Aeromotive AN O-ring adapter fittings are just what you need to connect AN fuel lines to AN O-ring ports. These adapter fittings are designed with a full-flow radius transition from the port opening to the AN 37 degree flare. Each fitting is CNC-machined from billet aluminum and is anodized for durability and corrosion-resistance. They're available in nearly two dozen size/angle configurations.
( 65 )
$62.05
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$100.75
$55.84
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$90.68
On Sale
Aeromotive AN quick-connect adapter fittings allow you to connect AN fuel lines to factory quick-connect fuel lines. They feature CNC-machining and a quality finish for durability and corrosion resistance. Get your fuel lines routed any way you like with an assist from the Aeromotive AN quick-connect adapter fittings best suited for your application!
( 8 )
$56.75
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$90.15
$51.08
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$81.14
Moroso reducers have one job--connect different sized lines and hose together or to other components in your fuel, cooling, or other fluid system. The fittings are made from anodized aluminum.
Not Yet Reviewed
$55.99
On Sale
Aeromotive couplers offer more area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. Machined from 6061 T-6 aluminum or stainless steel for a precision fit and unmatched flow, Aeromotive specialty fittings, port adapters, and couplers are available in a variety of AN sizes and configurations. The billet aluminum fittings are anodized Type II bright dip black for corrosion protection and unrivaled aesthetics, plus all Aeromotive fittings and adapters are fully compatible with gasoline and alcohol-based fuels. Order the couplers needed for your application.
( 5 )
$56.75
$51.08
Earl's bulkhead adapter fittings provide an easy way to securely connect your lines together through firewalls, panels, etc. They are available in aluminum or steel, and in a variety of sizes, configurations, and finishes.
( 31 )
$59.95
On Sale
Holley has fittings to adapt different sized fuel lines to bare Holley fuel bowls, as well as hose and banjo fittings for special applications.
( 106 )
$66.55
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