EFI

Holley EFI Boost Control Solenoid - 557-201

Part #
557-201
Line:
HLY

Product Information

Applications for this Product

  • This product is universal and applies to all vehicles.

Detailed Description

Boost Control Kit; High Flow; Dual Port; Inlet/Outlet 1/4 Inch NPT;

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 inch 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 inch 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

Brand Information

Holley(R) has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers(R), Flowtech(R) Exhaust, NOS(R) Nitrous, Weiand(R), Earl's Performance Plumbing(R), or Diablosport(R)- Holley products can give you the edge you need over the competition.
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