HKS SUPER SQV 4D UNIVERSAL ASSY

This newly designed SSQV IVD uses a \"boost drive controller\" for positive boost operation. This new system SQV can function on vehicles which have no vacuum, such as diesel engines as well as conventional turbo cars. \n  \nAn on/off switch allows operation of the SQV to be switched on or off at any time and a trigger switch can allow activation of the SQV on demand.