hiace regius swivel seat. having problem finding swivel base. runners are 485mm apart.Will espace seats fit this size. steve7424 on May 10, 2016 Post navigation Previous: Previous post: First overnighter in ThambulanceNext: Next post: Journey to the sun Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Posted by steve7424 All Posts One Comment steve7424 May 10, 2016 at 4:55 pm hiace regius seats.cant find a swivel base wide enough. 485 wide 350 deep. would espace seats fit to track 485mm overall. Reply Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.