Wide Pressure Range: Speedway Fuel Pressure Regulator with a 5-12 psi pressure rating for versatile fuel system applications., Non-Return Style: Features a non-return regulator design for efficient fuel pressure control., Reliable Performance: CNC-machined from lightweight billet aluminum with high-quality internal spring and diaphragm for consistent and dependable operation., Adjustable Settings: Easily adjustable fuel pressure from 5-12 psi to suit specific engine requirements., Individual Unit: Sold individually for convenient purchasing and customization of your fuel system setup.
Speedway Fuel Pressure Regulator, 5-12 PSI, Aluminum Speedway Motors
Speedway Fuel Pressure Regulator, 5-12 PSI, Aluminum
Sku # 2891057-BLK
Mfr. Part # 2891057-BLK
Condition
New
Brand
Speedway Motors
Sold
Each
Details
  • Adjustable 5-12 PSI pressure range to match most carbureted fuel system needs
  • Non-return (deadhead) regulator simplifies plumbing and installation
  • Durable billet aluminum construction resists corrosion 
  • 3/8" NPT inlet and outlet for broad compatibility
  • 1/8" NPT gauge port allows for easy pressure monitoring
  • No boost/vacuum reference port, perfect for naturally aspirated setups
  • For gasoline, not for use with diesel or alcohol

Speedway Motors' non-return fuel pressure regulator delivers serious bang for your buck, offering reliable performance and durability at a budget-friendly price. CNC-machined from lightweight billet aluminum, it’s built to withstand the demands of street and mild performance applications. The internal spring and diaphragm are made out of premium materials to maintain stable fuel pressure, ensuring your carbureted engine gets exactly what it needs every time.

This regulator is fully adjustable from 5-12 PSI, making it ideal for tuning fuel pressure on a variety of setups, from daily drivers to weekend cruisers. With its compact design and NPT threaded ports, it integrates easily into custom or retrofit fuel systems. Whether you're running a mechanical or electric fuel pump, this regulator helps dial in precise pressure without the complexity of a return line system.

Notes:

  • Approximate dimensions are 3" wide x 2" tall.
  • Not compatible with diesel or racing alcohol; intended for gasoline only
  • Tolerates up to 20 psi inlet pressure
  • Includes a 1/8" NPT plug to seal the gauge port if no gauge required

If you're looking for a simple, affordable, and effective way to manage fuel pressure, this Speedway Motors regulator is ready to get the job done.

 

Specs
Fuel Pressure Rating (psi)
5-12
Pressure Regulator Inlet Size
3/8 NPT
Pressure Regulator Outlet Size
3/8 NPT
Inlet Quantity
1
Outlet Quantity
2
MFG. Part #
2891057-BLK
Fuel Type
Gasoline
Regulator Style
Non-Return Regulator Style
Boost/Vacuum Reference Port
No
Gauge Port
Yes
Inlet Attachment
Female Threads
Mounting Hardware Included
No
Includes Mounting Bracket(s)
Yes
Fittings Included
No
Sold in Quantity
Each
Notes
Gasoline only. Includes 1/8"NPT plug to seal gauge port if not being used.
Overall Width
3"
Overall Height
2"
Material Type
Aluminum
Reviews

Good prices, good company

Rated
Product Rating
by Rad on February 17, 2026

Summary: I was struggling to find a regulator at a decent price so speedway item completely fits the bill

Yes, I recommend this product.

A must go place for street rodders!

Rated
Product Rating
by Wizbang on February 03, 2026

Summary: The days of getting any performance parts at your looking parts places are gone..and even if they can order something, the young folks behind the counter have no clue what your trying to do..especially if it's custom.So Happy speedway is there to get ya what ever ya need.

Yes, I recommend this product.

Very nicely built and affordable

Rated
Product Rating
by Troy on December 26, 2025

Summary: Product works perfectly

Yes, I recommend this product.

Yes

Rated
Product Rating
by Old car guy on December 04, 2025

Summary: Great for my Edelbrock carb which need's regulated

Yes, I recommend this product.

Works perfect buy again

Rated
Product Rating
by Big b on July 17, 2025

Summary: I used it on my e 85 swap on my bbc

Yes, I recommend this product.

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Tech Support
We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help.
About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.