EVC Scramble Boost Control Trigger Switch
EVC III, IV & PRO only
HKS EVC Components
HKS EVC Accessories are optional parts that can be used to upgrade an older generation EVC unit or EVC EZ II and replacement parts for lost or damaged components. Optional parts included the EVC Display that can be combined with the EVC EZ II to upgrade it to a fully featured EVC unit with all the additional features; Scramble Boost, Digital/Analog Boost Display, Warning Function and etc. Replacement parts include vacuum fittings, tee fittings, installation kits and etc.