Click to enlargeMallory 4-Port
Fuel Pressure Regulator

Mallory 4307M Mallory 4-Port fuel pressure regulator. For gasoline, alcohol, methanol applications. Unique diaphragm material resists all fuel additives, even alcohol and methanol.

Return line system provide longer fuel pump life and can be used for EFI to carburetion conversions.

Billet aluminum construction. Special quick action diaphragm design

Broadest possible pressure range of 3-25 PSI.

Inlet size is -8AN. Return size is -8AN. Outlet size is 3/8" NPT.

Maximum inlet pressure is unlimited. Recommend maximum flow of 200 GPH.

Easy to install and adjust for maximum performance.

Fully serviceable, not a "throw-away" like most competitors.


Mallory 4307M Mallory 4-port fuel pressure regulator return bypass 4307M$129.99
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