AEM V3 Water Extra Nozzle Kit - 30-3315These AEM Electronics water methanol injector nozzle kits are typically used to add a second injector to an existing system. They are CNC machined from 6061 T6 billet aluminum and then hard anodized in black and laser etched with the AEM logo. The injector kits also come with an integrated check valve, one of each sized nozzle (0. 0315 in., and 0. 0630 in.), a T fitting with quick connect ends, and a 4 ft. section of 1 4 in. diameter nylon hose for