For Boost Control
Our 3 port boost control solenoid is designed for optimal performance when using the boost control function of Holley EFI. Some setups require two solenoids and some require one. The solenoid is driven by a Pulse Width Modulated (PWM) output of the ECU. It is advised not to use the PWM+ outputs on an HP ECU, but rather use the PWM- Outputs. If you have a Dominator ECU, either use the PWM- outputs, or use a PWM+ output on the J2B connector.
  • 3 port
  • For boost control
  • Used with Dominator and HP
  • Includes (1) solenoid, (1) ECU pigtail harness with factory crimped ECU pin, (3) 3/16" barb fittings, (1) 1/8" NPT plug, (1) sintered brass muffler. and (1) spare ECU pin for modified harness lengths

Information:

Solenoid is driven directly from a Pulse Width Modulated (PWM) ECU output.
Attributes
Brand Holley EFI, Holley EFI
California Proposition 65 No
Category Air and Fuel Delivery
Connector Style 2 pin Metri-Pack 150
Connector Type 2 pin Metri-Pack 150, 2 pin Metri-Pack 150
Country of Origin (Primary) US
Depth 0.940 in., .94"
Depth (in.) .94
Emission Code 5, 5
GTIN 00090127683446
Grade Type Performance
Harmonized Tariff Code (Schedule B) 8409915085
Hazardous Material Code N
Height 1.97", 1.97"
Item Height 1.970 in.
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
Pig Tail Length 18", 18"
Pigtail Length 18.000 in.
Port Size 0.125 in., 1/8" NPT
Product Type Boost Control Part, Boost Control Part
SDR Required Flag N
Sale Category Air and Fuel Delivery
Warning California Proposition 65
Width 1.100 in., 1.10"
Width (in.) 1.100

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Holley EFI 557-200 3 Port Boost Control Solenoid

Product Information

Vehicle Fitment