Period Specials For over thirty years, Finch Restorations has built re-manufactured Period Specials including Group Jb and Group Kb racing and sports cars from the the 'vintage' period and pre-World War II and early post-World War II periods. We use period correct period parts or manufacture our own. Our cars are fully engineered to offer maximum driving pleasure whilst giving peace of mind. We are able to build our cars to the customer's strict instructions, such as a specific chassis number and at a pinpointed time in its career. We can also assist in building cars from concept stage.