Holley EFI High Flow Dual Solenoid 557-202
Type: Boost Control Part
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This kit contains (1) high flow solenoid for service replacement in the field, recommended for 557-201.
Features:
- Pre-Terminated connectors simply plug into the solenoids and pin 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.
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Color: Black
- Emission Code: 4
- Grade Type: Performance
- Inlet / Outlet Size: 1/4" NPT
- Material: Billet
- Part Type: Turbocharger Electronic Boost Controller
- Product Type: Boost Control Part
- Sub Category: Turbocharger, Supercharger and Ram Air
Tech Resources:
When selecting solenoid configuration in the Holley EFI software, use the Dual Holley drop down selection.
It is not advised 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.
Instructions - 557-201_mounting_template.pdf
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