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150 Series Taper One-Piece Full Flow Swivel 180° Hose End -12ANSilver Finish
Extruded plastic fin guards
120-240°F SPORT-COMP 2-1/16" WATER TEMP Includes 12 ft
5L EJ25 08/07-08/09
Exh 252° Duration advertised @
Boost Controll Solenoid Valve HO557-200 LSA 150 Series Taper One-Piece FullBoost Controll Solenoid Valve3 Port Valve HO557 200 557 200 Holleys 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
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