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Introducing the newest development from the Holley EFI engineering team. 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 in. 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.