Name: Holley 557-201 EFI High Flow Dual Solenoid Boost Control Kit
Brand: Holley
SKU: 425557201
Price: 239.95 USD
Availability: InStock

Product Summary

Universal Fit

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Key Specs

MFG. Part #	557-201
Brand	Holley

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Holley 557-201 Details

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.

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

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Installation Instructions (PDF)

Guides & Documents

Turbocharger Boost Solenoids Installation Instructions (425557201)

Holley 557-201 Specifications

KEY SPECS
MFG. Part #	557-201
Brand	Holley

GENERAL
GTIN Code	090127047088

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