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

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$411.95

$ 99 .00 $99.00

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Black anodized billet dual port manifold with built in mounting provisions
Two 1/4” NPT push-lock fittings for easy plumbing and installation
Two pre-terminated connectors simply plug into the solenoids and extra pins into Holley EFI ECU connectors
Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids
Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids

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

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