Features/Benefits

• 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.
• When Selecting Solenoid Configuration In The Holley EFI Software, Use The Dual Holley Drop Down Selection. This Part Is Legal For Sale & Use On Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 And Older US Manufactured California Certified Vehicles, 1967 & Older US Manufactured FedeRally Certiified Vehicles, 1967 & Older Foreign Manufactured Vehciles, Racing Vehicles Not Road Registered & Is Exclusively Used In Competition.

• Engineered to Meet or Exceed OEM Specifications
• MADE IN AMERICA

• OEM Part Number: 557-201
• Associated Years: 1953-2021
• Item Quantity Size: 1 EA
• Shipping Dimensions (LxWxH): 6.5in x 4.25in x 6in
• Weight: 1 pounds

• Tariff Code: 8409914000

• Keywords: Fuel Injection & Related Components, Restomod, Turbocharger Boost Solenoid