Holley 557-201 EFI High Flow Dual Solenoid Boost Control Kit

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.

• Black Anodized Billet Dual Port Manifold
• Two 1/4” NPT Push-Lock Fittings for easy plumbing and installation
• Two Pre-Terminated connectors simply plug into the solenoids and pin into Holley EFI ECU connectors
• The billet manifold contains built in mounting provisions, setup for ¼ hardware
• Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids