The Lincoln Custom is a custom limousine and long-wheelbase touring sedan that was built by Lincoln in 1941 and 1942 and the lower level series Lincoln produced in 1955. Initially it was a replacement for the large Model K Lincolns (produced from 1934–1939) and earlier luxury cars of the 1920s and 1930s. Later it was simply the lower level series.The Lincoln Custom was based on the Lincoln-Zephyr, a smaller, unit-bodied, mid-range priced vehicle introduced in 1937 with a smaller 292 cu.