Home - Return to Previous Page
Click on image to zoom

Holley 557-200 - 3 Port Boost Control Solenoid Kit

Pricing: $149.95


Holley 557-200 - 3 Port Boost Control Solenoid Kit 

Holley EFI Boost Control Solenoids are designed to be controlled by the Boost Control System found in the Holley HP and Dominator ECU's using Pulse Width Modulation. 2 Solenoids can be uned in conjunction with each other to control boost using an external pressure source such as CO2 for maximum Boost Control capabilities. 


  • 3 Port Solenoid 
  • (3) 3/16" Barb Fittings
  • (1) 1/8" NPT Port Plugs 
  • (1) Sintered Brass Muffler / Vent 
  • Wiring Pigtail


  • HOL-557-200
  • HOL-557-200
  • Holley
  • New

Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W4.0000” x H4.0000” x L4.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.