Universal application, 40-75 PSI return style, Billet Aluminum, Features a Boost reference port
40-75 PSI Billet Aluminum Fuel Pressure Bypass Regulator, Black Speedway Motors
40-75 PSI Billet Aluminum Fuel Pressure Bypass Regulator, Black
Sku # 2891059-BLK
Mfr. Part # 2891059-BLK
Condition
New
Brand
Speedway Motors
Sold
Each
Details

This return, or bypass, fuel pressure regulator provides serious bang for your buck. CNC-machined from lightweight billet aluminum, the internal spring and diaphragm are composed of high-quality materials to guarantee consistant and reliable performance. It is adjustable from 40-75 PSI, and features a boost reference port.

  • Universal application
  • 40-75 PSI return (bypass) style
  • Billet Aluminum
  • Features a Boost reference port
  • Gasoline applications only. 
Specs
Fuel Pressure Rating (psi)
40-75
Pressure Regulator Inlet Size
AN6 O Ring
Pressure Regulator Outlet Size
AN6 O Ring
Inlet Quantity
1
Outlet Quantity
1
MFG. Part #
2891059-BLK
Fuel Type
Gasoline
Regulator Style
Return
Regulator Material
Billet aluminum
Boost/Vacuum Reference Port
Yes
Gauge Port
Yes
Rebuildable
Yes
Mounting Hardware Included
Yes
Fittings Included
No
Sold in Quantity
Each
Boost/Vacuum Rise Ratio
1:01
Material Type
Billet Aluminum
Reviews

Recommend this over and over

Rated
Product Rating
by Dan on May 26, 2026

Summary: Exactly as described works great got it quickly

Yes, I recommend this product.

Fuel regulator

Rated
Product Rating
by ZR-1 Dirk on December 09, 2023

Summary: I used it to complete a Holly Sniper fuel injection system.

Yes, I recommend this product.

Great buy

Rated
Product Rating
by Charlie on January 29, 2022

Summary: Used to regulate fuel pressure on a fuel injection conversion.

Yes, I recommend this product.

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Tech Support
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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.