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Holley Turbocharger Boost Pressure Solenoid Filter 557-201; High Flow Dual Port Boost

$379.95

Part #: 557-201

Brand: Holley

UPC: 090127047088

Estimated Ship Date: 5/24/2025 (From manufacturer)

This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.

Details

  • Black Anodized Billet Dual Port Manifold
  • Two 1/4 in. NPT Push-Lock Fittings For Easy Plumbing/Install
  • Two Pre-Terminated Connectors Simply Plug Into The Solenoids
  • Billet Manifold Contains Built In Mounting Provisions
  • Proprietary Design To Flows Nearly 40% More Than Comparable Dsgns
  • Up To 90% More Than Conventional 3-Port Boost Control Solenoids

Product Description

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.

Specifications

Turbocharger Boost Pressure Solenoid Filter Model or Series:
High Flow Dual Port Boost
Inlet Size:
1/4 in. NPT Female
Outlet Size:
1/4 in. NPT Female
Material:
Billet Aluminum
Finish:
Black
Notes:
When selecting solenoid configuration in the Holley EFI software, use the Dual Holley drop down selection.
Quantity:
Sold As Kit

Tech Resources

  • 557-201_mounting_template.pdf

  • 199r11722.pdf