Aerial view of the Kaiser-Frazer automobile plant in Willow Run, Michigan. Stamped on back: "Photo from Kaiser-Frazer Corp., Willow Run, Mich., neg. #3860, date." Typed on back: "From: Kaiser-Frazer Corporation, Willow Run, Michigan, for immediate release. Kaiser-Frazer buys giant Willow Run plant. Willow Run, Mich. One of the largest and most complete industrial installations in the world, the government's Willow Run, ex-bomber plant, has been purchased by Kaiser-Frazer Corp. K-F, which has leased the giant plant since November, 1945, converted the war-famed factory to auto production, turning out more than 325,000 cars. The plant was purchased through the War Assets Administration at a cost of $15,100,000.