Mallory 4-Port Bypass Regulator

Max flow of 200 GPH

PART# 29388

$179.95   Suggested Retail
$161.95   Your Price
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Mallory's Fuel Pressure Regulators are designed to deliver consistent fuel pressure throughout all ranges and loads of the engine. Mallory starts with a billet aluminum housing that is machined to precise tolerances. Each Regulator is supplied with a sturdy mount and hardware for easy, secure installation.


  • Unlimited inlet pressure
  • Adjustable from 3-25-psi
  • Inlet and Return are 3/4"-16 (-8an)
  • Outlet size is 3/8" NPT


Emission Code1
Product TypeFuel Pressure Regulator
Part Number29388


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

*Free Shipping & Handling only offered to the contiguous US on orders over $100.

Some parts are not legal for use in California or other states with similar regulations.