The AEM Water/Methanol Solenoid is a 2-way, normally closed 12V valve with stainless steel body for use with AEM Water/Methanol Injection Systems. The shut-off valve provides an accurate and consistent shut off and prevents siphoning under vacuum.AEM offers performance automotive accessories to upgrade your existing water/methanol injection (WMI) system including inline water/methanol fluid filters, WMI flow gauges, the Water/Methanol Failsafe Device gauge, and water/methanol system nozzle and jet kits.30-3326 High-Flow Low-Current WMI Solenoid Prevents Unintended Flow