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Holley Boost Control Solenoids
Boost Controllers, Holley EFI, Dual Solenoid Valve, Billet Aluminum, 3 Port Manifold, 1/4 in. NPT, Push-lock Fittings, Two Trminated Connectors, Each
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Overview
Brand:
Manufacturer's Part Number:
557-201
Part Type:
Product Line:
Summit Racing Part Number:
HLY-557-201
UPC:
090127047088
Boost Controller Type:
Electronic
Boost Controller Style:
Dual solenoid
Adjustable:
No
Wastegate Type:
Electrical
Quantity:
Sold as a kit.
Holley Boost Control Solenoids
Holley boost control solenoids are designed for optimal performance when using the boost control function of Holley EFI. Some setups require two solenoids and some require one. They're driven by a Pulse Width Modulated (PWM) output of the ECU. It is advised NOT to use the PWM+ outputs on a Holley HP ECU, but rather use the PWM- outputs. If you have a Holley Dominator ECU, use either the PWM- outputs or a PWM+ output on the J2B connector.
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Some parts are not legal for use in California or other states with similar laws / regulations
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