A simple adapter system for your early 911 / 912 to run modern fuel injection at a low cost. Simply remove your mechanical / CIS injectors and thread these in! Designed to work with EV14 style injectors, recommend using the extended nozzle type. Includes a full set of adapters (6) 912 guys let me know if you just want 4. If you’d like another quantity, please contact. Works with Any 911 EFI fuel rail, 911-964. OEM, aftermarket etc should work just fine. The “swivel nut” allows you to easily make your own rails if desired, run the OEM rails inverted etc. Fits most factory intakes, may require some trimming on some intake systems. Looks as factory as possible! You can run your existing CIS or carb hardware, just use it as a throttle system and add your injection computer. Threaded adapters are CNC 304 Stainless steel. The swivel nut is 6061-T6 aluminum and anodized black.