Race Spec 4 Port PWM Boost Control Solenoid

Race Spec 4 port boost Solenoid utilizes the top and bottom of your waste-gate diaphragm. It allows you to use a much lower waste-gate spring pressure for better low gear boost control and better high gear, high boost settings. For use with: Hondata S300 Hondata K-Pro Hondata FlashPro 2006-11 Civic Si Hondata FlashPro S2000 Hondata FlashPro 07/08 TSX Motec AEM Haltech 5x the amount of boost when using a 10 lb waste-gate spring Better control which equals more power More accurate duty cycle control 4 port boost control solenoids are designed for use in high boost applications, but will work just as great in low boost applications. It is normally closed so that on failure you will run off the waste-gate spring. It uses 1/8 NPT fittings. If you are upgrading from a 3 port solenoid, the boost control tables will need re-tuning.