Availability

- In Stock Items. Ships Today. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
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Filters
Regulator Pressure Range
- High pressure (More than 20 psi) (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Low pressure (Less than 20 psi) (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Regulator Pressure (psi)
- 15-60 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.5-9 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Boost/Vacuum Reference Port
- No (1)
- Yes (1)
Boost/Vacuum Rise Ratio
- 1:1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Regulator Inlet Size
- 3/8 in. NPT (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- -8 AN (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Attachment
- Female O-ring (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Female threads (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Regulator Outlet Size
- 3/8 in. NPT (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- -8 AN (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Attachment
- Female O-ring (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Female threads (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Return Fitting Size
- 3/8 in. NPT (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- -6 AN (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Return Attachment
- Female O-ring (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Female threads (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

Holley Bypass Fuel Pressure Regulator Kits

3.57 out of 5 stars 30 Customer Reviews

Holley bypass fuel pressure regulator kits are part of a complete line of fuel system products from Holley. Offering several different kits, each features a billet or diecast aluminum regulator with an adjustable psi for precise fuel pressure changes and they are finished for corrosion resistance and good looks. The regulators are fitted with a 1/8 in. NPT gauge port and include an Earl's fuel pressure gauge, three adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware. Choose the kit to best fit your project's needs and performance.

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