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557-201 - Holley EFI High Flow Dual Solenoid Boost Control Kit - default Image
557-201 - Holley EFI High Flow Dual Solenoid Boost Control Kit - additional Image
557-201 - Holley EFI High Flow Dual Solenoid Boost Control Kit - additional Image
557-201 - Holley EFI High Flow Dual Solenoid Boost Control Kit - additional Image
557-201 - Holley EFI High Flow Dual Solenoid Boost Control Kit - additional Image

Holley EFI High Flow Dual Solenoid Boost Control Kit

SOLENOID, BOOST CONTROL

PART# 557-201

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When selecting solenoid configuration in the Holley EFI software, use the Dual Holley drop down selection.

Overview

Introducing the newest development from the Holley EFI engineering team. The Holley EFI High Flow Dual Port Boost Control Kit. This kit contains a set of pre-installed high flow solenoids, which feature a dual O-ring sealing design, preventing any boost leaks out of the manifold. A black anodized billet aluminum manifold, with built in mounting provisions. Two pre-terminated connectors for a quick installation, and extra pins for those of you wanting to cut the harnesses to custom lengths. Finally two 1/4" push-lock fittings to simplifying the installation process. The Holley EFI boost control proprietary solenoid design flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids.

Features:

  • Black Anodized Billet Dual Port Manifold
  • Two 1/4” NPT Push-Lock Fittings for easy plumbing and installation
  • Two Pre-Terminated connectors simply plug into the solenoids and pin into Holley EFI ECU connectors
  • The billet manifold contains built in mounting provisions, setup for ¼ hardware
  • Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids

Specs

BrandHolley EFI
ColorBlack
Emission Code5
Inlet / Outlet Size1/4" NPT
MaterialBillet
Product TypeBoost Control Part
Part Number557-201

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

When selecting solenoid configuration in the Holley EFI software, use the Dual Holley drop down selection.
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