Holley does it again with their new die cast aluminum fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle.
The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port, and a 1/8" NPT vacuum port for Boost Reference (1:1).
1/8" NPT barb fitting for boost reference port also included.
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