EM Motors LLC was a U.S. low-volume sports-car maker and restoration shop founded in upstate New York. The firm built and sold the EM578 “performance component vehicle,” a street-registerable, Le Mans–inspired two-seat, mid-engine model sold either as a rolling chassis or turnkey car alongside its core restoration and service business. Public materials described the EM578 with a jig-welded GT-style tubular chassis, double-wishbone suspension,…