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SPEEDFX 575115 Dual Inlet Fuel Line Adapter for Holley 4150 Carburetor

Manufacturer

SPEEDFX

<h3>SPEEDFX: Performance Parts Built for Enthusiasts</h3> <p>SPEEDFX has established itself as a trusted name in the performance automotive parts industry, delivering high-quality components that blend functionality with durability. With a comprehensive catalog spanning engine dress-up accessories, fuel system components, exhaust solutions, and precision-engineered fittings, SPEEDFX serves the needs of both professional mechanics and dedicated DIY enthusiasts who demand reliable performance from their vehicle upgrades.</p> <p>At the core of SPEEDFX's product philosophy is a commitment to manufacturing components that withstand the rigors of real-world driving conditions. Each part is developed using advanced engineering techniques and constructed from premium materials designed to deliver long-lasting service. Whether you're building a custom project vehicle, upgrading your daily driver, or maintaining a performance machine, SPEEDFX offers practical solutions that don't compromise on quality.</p> <h3>Fuel System Solutions</h3> <p>Proper fuel storage and delivery are critical for any vehicle, and SPEEDFX addresses these needs with purpose-built components. Their <a href="/11204-speedfx-fuel-storage-can-14584">fuel storage cans</a> provide safe, compliant solutions for transporting and storing gasoline, diesel, and other fuels, making them essential for trackside support, off-road adventures, or garage workshops. For fuel delivery, SPEEDFX manufactures <a href="/11204-speedfx-fuel-feed-line-49965">fuel feed lines</a> engineered to handle the pressures and chemical demands of modern fuel systems while maintaining consistent flow rates.</p> <h3>Exhaust and Performance Hardware</h3> <p>The exhaust system is where performance meets sound, and securing those connections properly is paramount. SPEEDFX produces <a href="/11204-speedfx-exhaust-clamp-5816">exhaust clamps</a> constructed from high-grade T304 stainless steel, designed to create leak-free connections that won't corrode or fail under extreme temperature cycling. These clamps come in various configurations including lap joint band, U-band heavy-duty, and standard band styles to accommodate different exhaust setups and pipe diameters.</p> <h3>Transmission Components and Fluid Connections</h3> <p>Beyond fuel and exhaust, SPEEDFX extends its engineering expertise to critical drivetrain components. Their <a href="/11204-speedfx-automatic-transmission-control-solenoid-7752">automatic transmission control solenoids</a> help maintain proper shift timing and hydraulic pressure management in automatic transmissions. For fluid transfer and connections throughout the vehicle, SPEEDFX offers an extensive selection of <a href="/11204-speedfx-hose-coupler-17378">hose couplers</a> in various AN sizes and configurations, featuring anodized aluminum construction and precision threading for reliable, leak-free connections in fuel, oil, and coolant systems.</p> <h3>Quality That Performs</h3> <p>What sets SPEEDFX apart is their focus on delivering performance parts that work as intended from the moment of installation. Their products undergo rigorous quality control to ensure proper fitment and function, giving automotive enthusiasts confidence that their upgrades will perform reliably over time. Whether you're assembling a custom fuel system with braided lines and AN fittings, replacing worn transmission components, or simply securing your exhaust with professional-grade clamps, SPEEDFX provides the components that help enthusiasts complete their projects with confidence.</p>

Part Number

575115
06/21/2036 5:33 AM
Sale Price

$74.23

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The SPEEDFX 575115 is a precision-engineered dual inlet fuel line adapter designed specifically for use with Holley 4150 style carburetors equipped with dual feed fuel inlets. This adapter features color-coded red and blue anodized aluminum construction for easy identification of fuel inlet and return lines.

Key Features:

  • Dual -8AN male fittings for secure, high-performance fuel line connections
  • 7/8-20 thread pitch matches Holley 4150 carburetor inlet specifications
  • Integrated 1/8 NPT port for fuel pressure gauge or additional accessories
  • Stainless steel braided hose construction for durability and leak-free operation
  • Red and blue anodized finish for inlet/return line identification
  • Direct bolt-on installation for Holley 4150 dual feed carburetors

This adapter simplifies fuel system plumbing by providing a clean, professional connection between AN-style fuel lines and Holley carburetors. The built-in NPT port allows for convenient fuel pressure monitoring without additional fittings or adapters. Ideal for performance street, strip, and racing applications requiring reliable high-flow fuel delivery.

Products specifications

Material

Stainless Steel

Prop 65 - Short Label

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Prop 65 Y/N

Y

Excellent price and easy to use website.

Delivery was 1 week.

I ask Edwin a question or two about my Application and how to in install and he return quite quickly!

Great service

QUICK!!!! THANKS-

Pleasant experience!

Good stock

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