HKS EVC-S2 Electronic Boost Controller 21111AA065 They attach to the original

They attach to the original equipment manufacturer (OEM) vent port on the engine's rocker cover

thanks to harder inner rubbers

in an attempt to create an unconventional geometry

Vband Assembly

HKS EVC-S2 Electronic Boost Controller 21111AA065 They attach to the originalEasy to operate boost controller "EVC S" is now evolved with colour display for superior visibility! Features The display screen is doubled in size from the predecessor EVC S. Visibility has been greatly improved with colour display. Dot display screen and button information functions enable easy and intuitive control. The function of each button is displayed during setting to support your setting Boost setup storage is expanded from 2 to 4, "A to D".