holley fuel pressure regulators, carburetor bypass style, return, 4.5-9 psi, black, one 3/8 in. npt female inlet, one 3/8 in. npt female outlet, each

Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle.

1/8" NPT barb fitting for boost reference port included.

Features:

Die Cast aluminum construction

3/8” NPT Inlet, Outlet, and Return ports

1/8” NPT Gauge Port

1/8" NPT Boost Reference – 1:1

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