Supercharger Upgrade V-1/V-2 SC-Trim/S-Trim to a SI-Trim (Polished)
requires you to send in your Vortech SC-Trim/S-Trim supercharger head unit to
be upgraded to the Vortech SI-Trim head unit.
an order is place a shipping label will be sent out to your location, which
is all prepaid for. Vortech will then upgrade the unit and convert it over to
around time is normally 1-3 weeks.
This upgrade is only for existing polished units that are a SC-Trim/S-Trim.