557-200 Holley EFI Solenoid, Boost Control
557-200 Holley EFI Solenoid, Boost Control
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557-200 Holley EFI Solenoid, Boost Control
The 557-200 Holley EFI Solenoid, Boost Control offers precise electronic control over the boost level of your engine/turbo system, providing the ability to fine-tune performance within a certain range. This solenoid operates in conjunction with a core mechanical control system, enhancing its functionality without replacing it.
Designed for optimal performance, the 3 Port Boost Control Solenoid is specifically tailored for use with the boost control function of Holley EFI. It seamlessly integrates with existing system configurations and can be added once a stable mechanical system is in place.
Key Features:
- Precise electronic control over boost level
- Enhances core mechanical control system
- 3 Port Boost Control Solenoid
- Optimal performance with Holley EFI
- Seamless integration with existing configurations
Take your engine's performance to the next level with the 557-200 Holley EFI Solenoid, Boost Control, backed by a limited 90-day warranty for added peace of mind.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

