 Harry Weslake and his company provided the Gurney-Weslake cylinder heads for the engines that powered the Gulf-Wyer Ford GT40 Mk.I to two consecutive wins at Le Mans, in 1968 and 1969.During the 1970s, Weslake manufactured the Cologne RS2600 engine that Ford fitted to the Capri.This also included the special Weslake aluminium heads used for Ford's touring car challenge.