V3 Water/Methanol Standard Controller Kit Standard Controller Kit 35PSI Max (Controller and Harness Only) AEM Electronics

V3 Water/Methanol HD Controller Kit HD Controller Kit 40PSI Max (Controller and Harness Only) AEM Electronics

V3 Water/Methanol Multi-Input Controller Kit Controller & Harness (Only)- 0-5v/MAF Frequency or Voltage/Duty Cycle/Ext MAP AEM Electronics