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25-302BK Fuel Pressure Regulator Kit Gauge Port 1/8 in. NPT Inlet Outlet 25302BK

25-302BK Fuel Pressure Regulator Kit Gauge Port 1/8 in. NPT Inlet Outlet 25302BK

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Fuel Pressure Regulator Kit for Holley 25-302BK

This 25-302BK fuel pressure regulator kit provides precise fuel pressure control with a gauge port and 1/8 in. NPT inlet and outlet. It is designed for high-volume adjustable fuel systems, offering reliable performance for racing and performance applications. The 25-302BK regulator kit includes the components needed for accurate fuel delivery adjustment.

Overview

This 25-302BK fuel pressure regulator kit is a high-volume adjustable unit, ideal for carbureted engines requiring consistent fuel pressure. It features a gauge port for easy monitoring, with 1/8 in. NPT inlet and outlet threads for standard plumbing. The kit is designed for Holley carburetors and compatible fuel systems, ensuring dependable fuel flow under demanding conditions.

Built For Performance

  • High-volume design supports up to 20 psi fuel pressure for performance applications
  • Adjustable pressure range allows fine-tuning from 3 to 20 psi
  • Gauge port (1/8 in. NPT) enables easy pressure monitoring
  • Inlet and outlet threads are 1/8 in. NPT for secure connections
  • Billet aluminum construction for durability and corrosion resistance

Fits These Machines

  • for Holley carburetors (model 4150, 4160, and similar)
  • for Holley Dominator carburetors
  • for Holley EFI systems (when used as a bypass regulator)

On-The-Job Use

  • Racing and drag strip applications requiring precise fuel pressure
  • Street performance vehicles with high-output engines
  • Marine and off-road vehicles with high fuel demand
  • Custom carbureted builds needing adjustable fuel delivery

Specs At A Glance

Part Number(s) 25-302BK, 25302BK
Inlet/Outlet Size 1/8 in. NPT
Gauge Port 1/8 in. NPT
Pressure Range 3-20 psi
Flow Rate High-volume
Adjustable Yes

Good To Know

Q: How does the adjustable pressure work in this kit? A: The pressure is adjusted by turning the adjustment screw on the regulator, allowing you to set fuel pressure from 3 to 20 psi based on engine needs.

Q: Can this regulator work with a fuel pressure gauge? A: Yes, the built-in gauge port is designed to accept a standard 1/8 in. NPT gauge, so you can install one for real-time pressure readings.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

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